【FREELY COMBINED IN ANY NUMBER】--2 cats carrier has zippers on both sides and can be freely combined, so whether you want to detach it as a single for vet or combine it into 4 or 5 or more cat carriers for any number of pets, Petskd cat carrier cages can make your ideas come true. You can open the middle compartment so cat can move between one carrier and the other if you plan to use one side for litter box and one side for cat. 【2-IN-1 DOUBLE CAT TRAVEL CARRIER】--Combined size of the cat carrier for 2 cats is 38x17x18inch which allows 2 pets to use together(Total Maximum weight 90LBS). There is a zipper in the middle to combine the two cat car carrier with one. And the single travel cat carrier size is 19x17x18inch. The size of cat litter box is: 15.7x11.8x5inch. 【SAFTY DESIGNED FOR CAT CAR TRAVEL】--Dual cat carrier has car safety buckle, a locking zipper and inner safety strap. The car seatbelt can be used in two ways: ① When the seatbelt is fastened in the front, separate carriers help both pets stay calm. ②When the seatbelt is fastened in the back, the two carriers can be combined, and the front door can be opened to help owners interact with your pets. 【EXCELLENT VENTILATION WITH MESH】--5 sides of anti-scratch mesh windows in the large cat carrier that provide good visibility and air circulation to ensure your pet gets plenty of oxygen. 4 doors are designed to make it easy to enter or exit for pets. Removable hammocks in the cat carrier for car to offer your lovely cat a good rest and play space. 【COLLAPSIBLE CAT CARRIER WITH LITTER BOX】--The foldable litter box allows cats to have an apartment while traveling. It will be as comfortable as staying at home. Collapsible extra large 2 cat carrier has an big storage bag to collect the two cat carrier. Just twist the side of the carrier to easily fold and setup it. 【WHAT IS IN THE PACKAGE】--You can get: 2 combinable large cat carrier, 1*litter box with ild, 1*food bag, 2*foldable bowls,2*name card,2*hammocks.please check all the accessories and if you have any problem, please reach us for help. Petskd offers 36-months quality assurance and 7*24 hours service. #87,834 in Pet Supplies ( ) #205 in #227 in