COMFORTABLE: The backpack is designed with thickened shoulder straps and adjustable shoulder straps to distribute the weight evenly, which is more labor-saving and convenientInteracting with pets is easy by letting pets stick their heads out for fresh air.【Universal for All Seasons】The pet backpack is made of durable high-grade polyester. The body-contacting shoulder straps and back are made of mesh material that is moisture-wicking and breathable, making it ideal for use in hot to cold seasons.【SAFE DESIGN】Our backpack shoulder straps are designed with excellent tear resistance and abrasion resistance, making them durable, with a safety harness inside to keep your pet safe and prevent escape, plus a comfortable soft Pad bottom for your pet to rest, removable and washable for easy cleaning【SUPER COMFORTABLE AND CONVENIENT】The shoulder straps and shoulder straps are thick and padded, and the adjustable waist buckle provides extra support.Dear Sir and Dear Madam: Welcome to my little shop, I am honored to meet you here. No matter how many times you come to my store, I will serve every customer with all my heart. I very much hope that there are products in my small store that can help you and provide your pets with a better living environment and more comfortable living conditions. If you don't understand something about the product, please give me a chance to answer your questions.