PERFECT VERSATILE TRAVEL COMPANIONYou always want to bring your dog or cat with you while traveling or going on vacations - but it can be difficult to keep a furry companion comfortable and safe on longer trips!With the dual purpose dog carrier backpack for small dogs and large cats your pet will be able to enjoy traveling in style whether are being rolled or carried.This pet carrier with wheels is large and features an adjustable, retractable handle and swivel wheels for a smooth ride - or 2 shoulder straps for convenient, hands-free pet travel!Whether you are taking your pet on a train or bus, or heading out on a family vacation, this dog and cat backpack carrier is the perfect travel size so that your best friend can always come with.Why Choose Us?-- The collapsible dog carrier backpack can be expanded to provide more room for movement.-- Zip openings on sides for easy to pets access.-- This cat carrier backpack has a mesh window in the front for ventilation and viewing, and 2 vented holes acrylic plate on each side for good light transmission.-- Non-toxic, chemical-free, breathable, and let your pet feel free.-- Lightweight, durable and portable, the cat carrier can be set in seconds.Easily Fits Cats, Small Dogs, and Most Other Small/Medium-Sized Pets!Product Dimension: 40*28*39cm/15.7*11*15.4inchsExtended Size: 58*24*39cm/22.8*9.4*15.4inchsFold Size: 39*40cm/15.4*15.7inchsPerfect for dogs up to 15-pound, or cats up to 18-poundMaterial: Composite material, PVCNotes and tips for pet carrier backpack:1. Materials are no harmful for pets or people.2. Please measure and weight your pet before purchasing.