Durable & Waterproof- Made of waterproof oxford and large mesh, this pet bag is soft, lightweight, and breathable. Always keep your pet dry and comfy. Durable and bite resistant, neednt to worry it will be bit broken. This carrier bag is great to carry your pet outside for camping and hiking.Size- S approx 16.9x7.5x11in, suggest for pet under 6.6Ib/3kg; L approx 19.7x8.7x13in, suggest for pet under 12Ib/5.5kg. Please note, for pet above 5.5kg, better to add a hard plywood on the buttom to avoid bulge. The bichon frise in our 3rd picture is 4.3kg in weight, the carrier is L size.Foldable & Breathable- Half zip opening on one end, full zip opening on the other end. 4 mesh planes allow maximum accessibility and ventilation for your pet. Very breathable and comfortable. The carrier is soft and can be folded, convenient for storage when not in use.Thoughtfull Design-The independent baseboard inside keeps the carrier in shape while carry the pet and can be take out for easy wash. Large mesh area let your pet have visibility of their surroundings. A zipper pocket on one side allows you to keep snacks,leash or other essentials for your pet.Wide Application- The sling shoulder strap is detachable and widened design, offering comfortable carry. You can use it as a handbag or shoulder bag. great for travel,vet visiting, transportation by car, plane, train, etc. You can take your pet anywhere and let they have a wonderful and comfortable journey.