APPLICABILITY: Our pet bag measures 31* 24 * 22 cm and the weight of select is less than 2.5 kg / 5 lbs with you pet. It is more suitable for puppies under 2.5 kg.ADJUSTABLE ROPE & BUCKLE DESIGN: Adjustable Open Size,the buckle design inside the carrier can connect with pet's collar which will prevent pet get out, to protect the safety of pets.CONVENIENT& EASY TO CARRY: The wide shoulder strap contains an elastic cushion that relieves shoulder pain. it is perfect for a hike and an adventurous weekend, you can carry your pet out when you travelling , shopping , cycling or go outside wherever . Also the pet bag there is a pocket to hold your keys or poop bags.SAFETY VENTILATION: Large areas of breathable mesh fabric and adjustable drawstring openings provide maximum airflow for pets, eliminating the need for pets to feel congested. There is a pet proof in the bag which is easy to adjust and can hold the dog collar/lead. Your pet can share the landscape while keeping it secure.STURDY AND DURABLE: Durable oxford fabric ensures long term use of the handbag. It is strong enough to resist scratching or biting a pet. The mesh fabric with elastic cushion, breathable, comfortable and durable