Camco Standard Portable Travel Toilet, Designed for Camping, RV, Boating And Other Recreational Activities (5.3 gallon) (41541) 5.3 gallon holding tank is detachable; 2.5 gallon flush tank Sealing slide valve locks in odors and protects against leakage Side latches secure the tank to the toilet Bellow-type flush and sturdy construction Measures 15.5" H x 14" W x 16" . Please note: Total Seat Width is 13 inches. Seat dimensions (inside) are: 8.5"W x 9"D