toilet shims
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.9%search→purchase rate — share of searches ending in a sale
Returns
Great1.8%return rate — above 5% kills the launch gate
Review moat
Good1,298.33avg incumbent reviews — the moat a new listing must climb
Price range
Good$4.70–$26.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$238K$238K/yr · 146K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Okay$10.26avg listing price — sweet spot $15–$100
Growth
Bad-4.3%90-day search growth — must beat 0% to launch
Competition
Bad75%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, toilet shims is a $238K/yr Amazon United States market (146K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Jan. Verdict: Skip it — 42/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
toilet shims market data
- Units sold / yr
- 20K–25K
- avg 1,500–2,000/product
- Revenue / yr
- $205K–$257K
- units × avg price
- Conversion rate
- 15.9%
- Avg BSR
- #368
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 5.3%
- Avg brand age
- 42 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 flat
Sellers
9
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
0%
- WOBBLE WEDGES41%
- PROPA27%
- ZZJMCH17%
- Tahikem7%
- CITLOW4%
- Generic3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -4.3% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.5×
Top toilet shims search terms
- toilet shims55K/yr
- toilet shims for leveling24K/yr
- plastic toilet shims9K/yr
- toilet shim10K/yr
- toilet shims for leveling on tile6K/yr
- toilet wedges for leveling2K/yr
- toilet leveling shims5K/yr
- plastic shims for leveling toilet8K/yr
- rubber toilet shims5K/yr
- toilet leveling kit4K/yr
Top toilet shims 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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Flexible Plastic Shims 12pcs Kit Size Variety | Clear Leveling Kit for Home Improvement | Furniture Leg Stabilizers | Table & Toilet Shims - Trim-to-Fit Wedges | Stackable Design | Furniture Levelers
PROPA$8.974.6★288 rev
Wobble Wedges Flexible Plastic Shims - Leveling Shims for Home Improvement Furniture Levelers Table and Toilet for Leveling - Made in USA Plastic Wedges Shim for Appliances (Clear 30-Pack)
WOBBLE WEDGES$14.604.6★4,498 rev
ZZJMCH 12 Pack White Multi Purpose Furniture Plastic Shims for Leveling Extreme Weight Capacity Wedges Easy to Snap Cut-to-fit Size Leveler for Toilet Shims Doors Windows Sheds Table
ZZJMCH$5.624.4★642 rev
Wobble Wedges Rigid Plastic Shims 75 Pack - Made in USA - Multi-Purpose Shim Wedges for Home Improvement & Work - Plastic Wedge for Table Toilet Furniture Levelers & Leveling Feet - Black
WOBBLE WEDGES$26.554.6★1,069 rev
The Original Wobble Wedge Flexible Plastic Shims Multi-Purpose Leveling Shim for Home Improvement Furniture & Toilet Leveler White Plastic Wedges for Tables Wood Floors & Tile Made in USA 30Pack
WOBBLE WEDGES$14.484.6★754 rev
Newest
by launch date
12 Pcs Heavy Duty Plastic Shims for Leveling - Slotted Furniture Wedges for Toilet Windows and Doors Stackable Table Levelers with Anti-Slip Texture Snap-to-Fit Size White
CITLOW$4.7045 rev
Wobble Wedges Flexible Plastic Shims Multi-Purpose Leveling Shims for Furniture Tables Appliances Toilets Made in USA Wedges for Uneven Surfaces Adjustable Stabilizers (Clear 6-Pack)
WOBBLE WEDGES$7.544,498 rev
Clear Heavy-Duty Plastic Shims Professional Leveling Wedges for Wobbly Toilets Furniture Washers & Commercial Equipment Trim-to-Fit Stackable Non-Slip Floor Protection(Clear 4 Pack)
Generic$6.1180 rev
Flexible Plastic Shims 12pcs Kit Size Variety | Clear Leveling Kit for Home Improvement | Furniture Leg Stabilizers | Table & Toilet Shims - Trim-to-Fit Wedges | Stackable Design | Furniture Levelers
PROPA$8.97288 rev
ZZJMCH 6-Pack White Shims for Leveling Furniture & Toilet - Trimmable Hard Plastic Wedges with Non-Slip Texture Table Stabilizers & Wobble Wedges Rubber Type Levelers for Door Table
ZZJMCH$5.91102 rev
Trending
90-day click momentumWobble Wedges Flexible Plastic Shims Multi-Purpose Leveling Shims for Furniture Tables Appliances Toilets Made in USA Wedges for Uneven Surfaces Adjustable Stabilizers (Clear 6-Pack)
WOBBLE WEDGES$7.544.6★
Wobble Wedges Rigid Plastic Shims 75 Pack - Made in USA - Multi-Purpose Shim Wedges for Home Improvement & Work - Plastic Wedge for Table Toilet Furniture Levelers & Leveling Feet - Black
WOBBLE WEDGES$26.554.6★
12 Pcs Heavy Duty Plastic Shims for Leveling - Slotted Furniture Wedges for Toilet Windows and Doors Stackable Table Levelers with Anti-Slip Texture Snap-to-Fit Size White
CITLOW$4.704.4★
Clear Heavy-Duty Plastic Shims Professional Leveling Wedges for Wobbly Toilets Furniture Washers & Commercial Equipment Trim-to-Fit Stackable Non-Slip Floor Protection(Clear 4 Pack)
Generic$6.114.3★
The Original Wobble Wedge Flexible Plastic Shims Multi-Purpose Leveling Shim for Home Improvement Furniture & Toilet Leveler White Plastic Wedges for Tables Wood Floors & Tile Made in USA 30Pack
WOBBLE WEDGES$14.484.6★
What buyers say about toilet shims
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“Excellent product”
“As described”
“Shims work”
“Perfect fit”
“Durable and Strong”
“Good and sturdy”
“The clear color makes them appealing to”
“Effective for use on uneven floors”
“Good value for the money”
What buyers complain about
“These are longer”
“Not super thick so might need to find bigger size as well”
“they tend to bend over time”
“The material is very hard”
“causing annoying roaring or whistling air sounds through the crack”
“These have helped with some wobbly furniture”
“Leveling up”
“as it's inside concrete it's costly”
“Product did not work for me”
“I had a fan with a wobbly base due to a weird mounting issue”
Top return reasons
Common questions
- Is toilet shims profitable to sell on Amazon United States?
- The niche generates $238K/yr across 12 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.3%. Flapen's verdict: Skip it (42/100).
- How competitive is the toilet shims niche?
- 6 brands and 9 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in toilet shims?
- Top complaints mined from reviews: Size-Overall, Thickness, Flexibility. The return rate is 1.8%.
- When does demand for toilet shims peak?
- Demand peaks in Jan; the busiest month runs 1.5× the quietest.
- What does it cost to enter the toilet shims niche?
- Listings span $4.70–$26.55; the average listing price is $10.26 (sweet spot $15–$100). The average incumbent carries 1,298 reviews — the moat a new listing must climb.