door knob cover
Skip itA deep review moat (3,497 avg reviews) — this niche doesn't clear our bar today.
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Avg price
Good$13.38avg listing price — sweet spot $15–$100
Price range
Good$4.05–$27.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good74%top-5 brand share — brands hold most of the demand
Market size
Good$296K$296K/yr · 602K searches
Returns
Okay3.4%return rate — above 6% kills the launch gate
Conversion
Okay3.7%search→purchase rate — share of searches ending in a sale
Growth
Okay+5.9%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Okay3,497.21avg incumbent reviews — the moat a new listing must climb
Competition
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
34
Top-5 brand share
74%
Open market
20%
- Knobēz40%
- Safety 1st11%
- EUDEMON9%
- Enjoy Cover8%
- STRONGEST HOME7%
- TIESOME6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 38 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Knobz: Decorative Knob Covers - Red Peppermint - 12pk - Stretch Over Hardware Decorations Holiday-Winter-Christmas Kitchen-Bathroom-Dressers-Home
Knobēz$22.564.8★722 rev

Safety 1st Parent Grip Door Knob Covers White One Size 4 Count (Pack of 1) (HS3260600) Packaging may vary
Safety 1st$5.364.5★22,296 rev

Moms Choice Gold Awards Winner - EUDEMON 4 Pack Baby Safety Door Knob Covers Door Knob Locks(not Suit for All Door knobs)
EUDEMON$9.924.4★32,029 rev

Knobz: Decorative Cabinet Knob Covers - Skull - 12pk - Stretch Over Hardware Decorations Spooky-Halloween-Fall-Seasonal Kitchen-Bathroom-Dressers
Knobēz$22.994.8★115 rev

STRONGEST HOME Clear Silicone Door Knob Cover & Wall Protector Soft Rubber Handle Grip for Arthritis Support and Quiet Damage Prevention (2 Pack)
STRONGEST HOME$9.834.6★125 rev
Newest
by launch date
Knobz: Handlez Covers - Medium Candy Cane - 8pk - Stretch Over Hardware Decorations Holiday-Winter-Christmas Kitchen-Bathroom-Dressers-Home
Knobēz$27.162 rev

Knobz: Handlez Covers - Small Candy Cane - 8pk - Stretch Over Hardware Decorations Holiday-Winter-Christmas Kitchen-Bathroom-Dressers-Home
Knobēz$23.982 rev

Enjoy Cover |Door Handle Grip Doorstop Knob Stopper Cover Single Pack Silicone Door Knob Grips Universal Size Protects Walls from Dents and Damage (Foggy Clear)
Enjoy Cover$7.8865 rev

Moxweyeni 12 Pcs Patriotic Star Cabinet Knob Covers 4th of July Silicone Cabinet Knob Kitchen Decor Red and Blue American National Decor Decorative Drawer Knobs for Home & Holiday Party Decoration
Moxweyeni$17.4735 rev

Knobz: Decorative Knob Covers - America - 12pk - Stretch Over Hardware Decorations Patriotic Seasonal-Summer Kitchen-Bathroom-Dressers-Home
Knobēz$18.6491 rev
Trending
90-day click momentum
Child Safety Door Knob Cover (4 Pack) Hard-to-Remove Dual-Lock Door Handle Covers for Kids Reusable Baby Proof Door Knob Locks Installs Easily No Tools Needed (Semi-Clear)
Wappa Baby$9.004.6★

Knobz: Handlez Covers - Small Candy Cane - 8pk - Stretch Over Hardware Decorations Holiday-Winter-Christmas Kitchen-Bathroom-Dressers-Home
Knobēz$23.985.0★

Knobz: Handlez Covers - Medium Candy Cane - 8pk - Stretch Over Hardware Decorations Holiday-Winter-Christmas Kitchen-Bathroom-Dressers-Home
Knobēz$27.165.0★

Knobz: Decorative Knob Covers - America - 12pk - Stretch Over Hardware Decorations Patriotic Seasonal-Summer Kitchen-Bathroom-Dressers-Home
Knobēz$18.644.8★

Enjoy Cover |Door Handle Grip Doorstop Knob Stopper Cover Single Pack Silicone Door Knob Grips Universal Size Protects Walls from Dents and Damage (Foggy Clear)
Enjoy Cover$7.884.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +5.9% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 1.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“Great quality and easy to put on”
“Fits perfectly”
“The lock works great for what it's intended”
“Works as expected”
“Easy install”
“Worth it”
“comfortable to grip”
“it is safe for sure”
“Solid product”
What buyers complain about
“Doesnt fit”
“Difficult to remove”
“Lock mechanism doesn't work”
“Didnt work”
“Not sure of the durability”
“Poor quality control issue that other buyers have experienced as well”
“Very little pressure if any of some of them needed to turn the handle”
“NOT toddler friendly”
“Flimsy plastic”
“I wish they werent so expensive”