Spacious Pet Carrier for Medium Cats or Small Dogs - Size options and fit: L 54 x 30 x 24 cm (21.2 x 11.8 x 9.4 in) suitable for pets up to 11 lb; M 45 x 29 x 23 cm (17.7 x 11.4 x 9 in) up to 8 lb; S 38 x 24 x 18 cm (14.9 x 9.4 x 7 in) up to 6 lb. When choosing a cage, consider weight as well as length and height. Please measure your pet before purchase to ensure a safe and comfortable journey. - Comfortable and breathable: Made from Oxford cloth and nylon mesh. Both sides feature mesh ventilation windows to maximize breathability. Helps reduce fear of new environments and allows easy observation of surrounding activity. Convenient for you to care for, feed, and comfort your pet at any time. - Safe and durable: Cat and dog transport bag includes a safety belt loop and an adjustable shoulder strap. The opening is equipped with a two-way SBS self-locking pull ring to prevent the pet from escaping after opening. Comes with a high-elastic cushion for summer use. Material is scratch-resistant and easy to care for; wipe clean. - Thoughtful design: Padded handle can be connected and used as a double safety belt or luggage strap for secure transport. The adjustable padded shoulder strap provides maximum comfort and keeps your hands free during carrying.