polyester 【EASE OF TRAVEL】The pet stroller features with a user-friendly one-hand operation. A simple button press allows for quick folding and unfolding of the stroller, aslo making it a breeze to fit into your car trunk. The snap button makes the opening and closing of the carrier very easy, more convenient than traditional zippers. Also, the stroller frame is made of aluminum, which is sturdy and lightweight. These portable delights creats a easier travel! 【MORE DURABLE AND EASY TO CLEAN】The carrier is manufactured with prime 900D cationic cloth that can withstand daily use and various weather conditions better. They also focus on easy cleanability with removable and machine-washable seat cushions or cloth covers, making it easy for pet owners to clean and keep their pet carts sanitary. 【SAFE AND SMOOTH RIDE】Equiped with a one-foot brake,it is easy for stroller parking. Inside the cabin, two safety leashes keep pets securely strapped in when the carrier is opened. The 360°rotating spring shock absorber wheels ensure a smooth and easy ride. 【ZIPPERLESS MESH WINDOW】 One-Clip Lock makes the open and close of the carrier super easy. Mesh windows not only facilitate excellent airflow for your cutties but also let you to easily keep a close eye on them.There are aslo with openable covers on the top mesh windows to keep your pets away from the strong sunlights or external disturbances. 【Humanized Design】Our pet stroller is equiped with convenience. A cup holder and rear pocket can hold your drinks and mobile phones. The underneath basket stores lots of necessaries when going out. Beberoad Pets T4 Pet Stroller Dog Cat Stroller for Small Medium Dogs Cats, 4 Wheels Travel Folding Carrier Waterproof Puppy Stroller with Pad, Canopy and Cup Holder, Black