Best Large and Top-Entry Litter Boxes in 2026
Last updated: October 28, 2026. Disclosure: As an Amazon Associate I earn from qualifying purchases. Some links below are affiliate links, which means this site may earn a small commission at no extra cost to you. Prices and availability change, so check the current listing before you buy. Key takeaways Veterinary guidance says bigger is better: International Cat Care and the AAHA/AAFP feline guidelines suggest a litter box about 1.5 times your cat’s length, nose to base of tail, and note that most store-bought boxes are too small. Top-entry boxes keep scatter down and keep dogs out. The same guidelines warn that kittens, seniors and cats with sore joints need low edges for easy entry, and the AAFP/ISFM guidance says cats are about evenly split on covered versus open boxes. Buyer reviews of the boxes below mention less litter on the floor, more room for big cats, and a few fit and durability gripes such as lids that pop off or ridges that hold clumping litter. This guide is based on re...