mattress retainer bar
Worth a lookShows no brand lock-in (top 5 brands take 47% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Brand share
Great47%top-5 brand share — no brand owns this niche
Avg price
Great$18.05avg listing price — sweet spot $15–$100
Price range
Great$6.34–$51.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Great39%top-5 click share — an open shelf
Returns
Good2.4%return rate — above 5% kills the launch gate
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Review moat
Good1,277.8avg incumbent reviews — the moat a new listing must climb
Market size
Good$285K$285K/yr · 278K searches
Growth
Bad-6.5%90-day search growth — must beat 0% to launch