【Large Size But Foldable】Large Expand Size: 10*10*12inch. Large capacity fits an official size 7 basketball well and big enough for hedgehog, hamster, squirrel, parrot, rat and guinea pig etc small animals. But the Foldable Size : 2*10*12inch will take less space to store. The whole small pet carrier bag can be folded for easy carrying out and indoor storage. There is a removable soft liner on the small animal carrier bag, which cover of it is machine washable. That makes it easy to clean and keep the pad odorless. 【Design With Water Bottle Holder】The Guinea Pig Carrier is designed with a hole for drinking bottle with nozzle and an elastic band to fix the water bottle, which making it possible for your pets drink water anytime and anywhere. !!! Pay Attention to the water bottle is exclude. Please extra purchase water bottle with nozzle under 15mm and the bottle diameter under 2.7'. 【Upgrade Transparent Window 】Compared with others old, the clear window of New Zhilishu Small Pet Carrier Bag is separated from the bottom of the zipper, which effectively prevents small animals from running out suddenly. The unique transparent front window design allows small animal to keep a close eye on surroundings to nature and enjoy the sun and scenery at any time.