Snoozer Pet Rider Rear Bicycle Seat, Black Suggested for pets up to 24-pounds/Exterior dimensions: 19"x16"x10"; Interior dimensions: 15"x12" Installed on rear bike rack (not included)/Foam form with plywood reinforced base Cover is removable and machine washable, but requires some disassembly and removal of straps to do so. Three point safety strap secures pet inside/High visibility reflective strip on rear Patented/1- Year limited warranty