---
title: "Rainbow Cups — $189K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/rainbow-cups"
last_updated: "2026-08-11T17:36:09.626Z"
locale: en
meta:
description: "Niche score 34/100 · $189K/yr market · 269K searches/yr · $9.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $189K/yr market · 269K searches/yr · $9.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rainbow Cups — $189K/yr Amazon US Niche (2026) - Flapen"
---
# **rainbow cups**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 38Growth 31Conversion 77Competition 7Returns 98Price range 32Avg price 29Brand share 0Review moat 19Quality gap 16
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$189K**
$189K/yr · 269K searches
**Price range**
**Okay****$5.01–$19.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+4.5%**
90-day search growth — must beat 0% to launch
**Avg price**
**Okay****$9.51**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****14,575.43**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****92%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, rainbow cups is a $189K/yr Amazon United States market (269K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rainbow cups market data**
- **Units sold / yr**
- **20K–25K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$190K–$238K**
- units × avg price
- **Conversion rate**
- **7.4%**
- **Avg BSR**
- **#169**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **141 days**
## **Competition & brand share**
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**81**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**92%**
Top 20: 100%
**Open market**
**0%**
- Hefty85% - TRUE7% - Lilymicky4% - Amazon Basics4%
## **Demand**
Weekly Amazon search volume, last 48 weeks — +4.5% search growth over the last 90 days.
18K13KSpike '25Black Friday '25Holiday '25Spike '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/health-household/rainbow-cups/trend)
## **Top rainbow cups search terms**
- **hefty cups**36K/yr+50.7%7.2% conv. - **colorful cups**20K/yr+36.8%2.1% conv. - **hefty plastic cups**21K/yr+37.1%5.0% conv. - **colorful plastic cups**18K/yr+58.2%3.1% conv. - **rainbow cups**18K/yr+30.7%0.8% conv. - **colored plastic cups**22K/yr+12.3%2.7% conv. - **hefty party cups**14K/yr+64.0%4.7% conv. - **colored cups**14K/yr+29.2%2.5% conv. - **hefty party on disposable plastic cups assorted 16 ounce 100 count**39K/yr-81.7%7.0% conv. - **colored solo cups**13K/yr+39.2%6.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/rainbow-cups/search-terms)
## **Top rainbow cups products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%20%$38K40%$76K60%$114K80%$151K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hefty Party On Disposable Plastic Cups Assorted 16 Ounce 100 Count**Hefty**$9.97**4.8★36,012 rev](https://www.amazon.com/dp/B00OCGUG02) [2**Hefty Party Perfect Tinted Disposable Plastic Cups Red Blue and Yellow Plastic Cups Perfect Party Cups for Easy Cleanup and Large Gatherings 18 Ounce 54 Count**Hefty**$9.02**4.8★504 rev](https://www.amazon.com/dp/B0DJCQYXSG) [3**Hefty Party On Disposable Plastic Party Cups 50 Count 18 Oz Red Cups for Parties Tailgates Birthdays Holidays and More Contoured Shape for Easy Gripping Strong and Durable**Hefty**$5.78**4.8★23,239 rev](https://www.amazon.com/dp/B00I9J3ACY) [4**True Party Plastic Cups Disposable Cup for Beers Cocktails Sodas Water Beverages Smoothies Iced Tea Juices 16 oz Set of 24 Multicolor**TRUE**$7.41**4.6★451 rev](https://www.amazon.com/dp/B07F47XTK9) [5**Hefty Party On Disposable Plastic Party Cups 76 Count 16 Oz Cups in Assorted Patriotic Colors and 18 Oz Clear Cups with Festive Firework Print for Fourth of July Summer and America 250 Celebrations**Hefty**$9.67**4.8★36,012 rev](https://www.amazon.com/dp/B0GSSM82HV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hefty Party On Disposable Plastic Party Cups 76 Count 16 Oz Cups in Assorted Patriotic Colors and 18 Oz Clear Cups with Festive Firework Print for Fourth of July Summer and America 250 Celebrations**Hefty**$9.67**36,012 rev3mo ago](https://www.amazon.com/dp/B0GSSM82HV) [**Amazon Basics Sturdy Disposable Plastic Party Cups for Cold Drinks Red 18oz 50 Count BPA-Free**Amazon Basics**$5.01**5,340 rev1y ago](https://www.amazon.com/dp/B0D6SMHQKN) [**Hefty Party Perfect Tinted Disposable Plastic Cups Red Blue and Yellow Plastic Cups Perfect Party Cups for Easy Cleanup and Large Gatherings 18 Ounce 54 Count**Hefty**$9.02**504 rev1y ago](https://www.amazon.com/dp/B0DJCQYXSG) [**Lilymicky 100 Pack 12 oz Plastic Cups Neon Glowing Plastic Party Cups Assorted Neon Colors for Parties Carnivals and Any Events**Lilymicky**$19.73**470 rev3y ago](https://www.amazon.com/dp/B0BYSHDRQQ) [**True Party Plastic Cups Disposable Cup for Beers Cocktails Sodas Water Beverages Smoothies Iced Tea Juices 16 oz Set of 24 Multicolor**TRUE**$7.41**451 rev7y ago](https://www.amazon.com/dp/B07F47XTK9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hefty Party On Disposable Plastic Party Cups 76 Count 16 Oz Cups in Assorted Patriotic Colors and 18 Oz Clear Cups with Festive Firework Print for Fourth of July Summer and America 250 Celebrations**Hefty**$9.67**4.8★**▲ 241%**](https://www.amazon.com/dp/B0GSSM82HV) [**True Party Plastic Cups Disposable Cup for Beers Cocktails Sodas Water Beverages Smoothies Iced Tea Juices 16 oz Set of 24 Multicolor**TRUE**$7.41**4.6★**▲ 60%**](https://www.amazon.com/dp/B07F47XTK9) [**Lilymicky 100 Pack 12 oz Plastic Cups Neon Glowing Plastic Party Cups Assorted Neon Colors for Parties Carnivals and Any Events**Lilymicky**$19.73**4.7★**▲ 33%**](https://www.amazon.com/dp/B0BYSHDRQQ) [**Hefty Party On Disposable Plastic Party Cups 50 Count 18 Oz Red Cups for Parties Tailgates Birthdays Holidays and More Contoured Shape for Easy Gripping Strong and Durable**Hefty**$5.78**4.8★**▲ 19%**](https://www.amazon.com/dp/B00I9J3ACY) [**Amazon Basics Sturdy Disposable Plastic Party Cups for Cold Drinks Red 18oz 50 Count BPA-Free**Amazon Basics**$5.01**4.7★**▲ 10%**](https://www.amazon.com/dp/B0D6SMHQKN)
**~~View all trending →~~**
## **What buyers say about rainbow cups**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**20%
*“Colors are bright”*
**Value For Money**15%
*“Great value”*
**Strength**14%
*“The cups themselves are sturdy”*
**Durability**9%
*“They are durable”*
**Quality-Overall**8%
*“I really like the variety included in the pack”*
**Size-Overall**7%
*“they fit great”*
**Advertised Vs Actual Product**7%
*“Great Product As Advertised”*
**Ease Of Use**3%
*“They are easy to hold”*
**Leak-Proof**3%
*“relatively leak-proof”*
**Recycle/Reuse**2%
*“they are reusable/cleanable”*
### **What buyers complain about **
**Quality-Overall**13%
*“Garbage”*
**Thickness**11%
*“They are not quite as thick as that other brand most people buy”*
**Leak-Proof**9%
*“cups leak”*
**Strength**8%
*“Very flimsy cups”*
**Size-Overall**8%
*“Was one cup short”*
**Taste-Overall**6%
*“The cups made whatever I poured in them taste funny”*
**Value For Money**6%
*“It's the exhorbitant cost of shipping that was not good”*
**Color**4%
*“Colors arent as in the pictures”*
**Ease Of Cleaning**4%
*“They do not want to rinse/wash their tumblers out”*
**Recycle/Reuse**2%
*“as plastic cups are not recyclable”*
### **Top return reasons **
**Size-Overall**40%
**Value For Money**20%
**Color**12%
**Advertised Vs Actual Product**5%
**Strength**2%
**Leak-Proof**2%
**Quality-Overall**2%
**Smell**2%
**Functionality-Overall**2%
**Contamination**2%
## **Common questions**
- **Is rainbow cups profitable to sell on Amazon United States?**
- The niche generates $189K/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +4.5%. Flapen's verdict: Skip it (34/100).
- **How competitive is the rainbow cups niche?**
- 4 brands and 81 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in rainbow cups?**
- Top complaints mined from reviews: Quality-Overall, Thickness, Leak-Proof. The return rate is 0.4%.
- **What does it cost to enter the rainbow cups niche?**
- Listings span $5.01–$19.73; the average listing price is $9.51 (sweet spot $15–$100). The average incumbent carries 14,575 reviews — the moat a new listing must climb.
## **Related niches in Health & Household**
- 76 [**cedar oil**](https://flapen.com/research/us/health-household/cedar-oil)$1.2M/yr+214.4%**Launch it**- 77 [**nutrapure glp1 cutting mix**](https://flapen.com/research/us/health-household/nutrapure-glp1-cutting-mix)$149K/yr+940.2%**Worth a look**- 77 [**dexcom g7**](https://flapen.com/research/us/health-household/dexcom-g7)$2.0M/yr+39.9%**Launch it**- 77 [**purelia**](https://flapen.com/research/us/health-household/purelia)$635K/yr+359.7%**Worth a look**- 77 [**graduation napkins**](https://flapen.com/research/us/health-household/graduation-napkins)$302K/yr+385.7%**Worth a look**- 77 [**credit card wand**](https://flapen.com/research/us/health-household/credit-card-wand)$418K/yr+101.3%**Worth a look**[**All Health & Household niches **](https://flapen.com/research/us/health-household)