Adjustable Pet Backpack for Safe, Comfortable Hands Carrying Safe and secure design: 4 leg holes with two adjustable front straps to keep your pup secure and comfortable. The shoulder straps can be adjusted to an Xshaped design for a more secure fit that won't slip off. A buckle closure and a side zipper enable quick, secure on and off. materials for comfort and durability: made from soft, breathable mesh fabric, polyester fabric, and waterproof lining. The bag is durable, skinfriendly, lightweight, and comfortable, helping your dog feel to enjoy hiking or traveling with you. Clear sizing guidance: measure your pet and choose according to the size chart. If your pet falls into the overlapping weight range between two sizes, we recommend selecting the larger size for a better fit. Designed for longwear comfort and safety: both the shoulder and chest straps are padded to reduce load on the shoulders and back. A large area of mesh ventilation keeps pets cooler and more comfortable. A builtin safety lock prevents your pet from jumping out. Use scenarios: Hiking and outdoor adventures where hands carrying is convenient and secure. Daily city walks or trips where you want close, secure carrier access without tiring your arms. Travel, airports, or vet visits where quick, secure access and dependable containment are important.