Top Entry Litter Box Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

Dr. Elsey's is the best-performing top entry litter box brand in July 2026, moving 100,000 units across 1 ASIN for 52.9% of Top 10 volume. Arm & Hammer follows with 35,000 units (18.5%), ahead of Pieviev on 10,000 units (5.3%).

With 9 brands splitting the Top 10 and 76.7% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $12.59 to $26.16, which frames the price band a competing listing has to justify.

Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B00BMLRNQK booked 5K units at $17.33, with ▲ 25.0% MoM change. On the growth side, B0768H1181 leads positive momentum with ▲ 300.0% MoM growth on 200 units, with B076YV3P7K close behind at ▲ 233.3% MoM on 1K units.

The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.