This oxygen cage is made from selected materials that are safe and secure. Currently renewed models are only available in small, medium sizes. *Oxygen concentrator is required for use as an oxygen chamber. Features: Low odor and tear-resistant material. Lightweight and washable. Simply place the space you want to place with a single touch; Transparent and easy to check the condition of your pet from the top (skylight) or the side. Product Details: Size M: Outer Dimensions (W x D x H): 23.6 x 35.4 x 23.6 inches (60 x 90 x 60 cm); Size M: Suitable for pets; Small to Medium Animals ex); Dogs, Cats, Rabbits, Ferrets, Hamsters (Beagles, Bichon Frise, Miniature Dachs, French Bulldog Miniature Schnauzer, etc.)