Size M is recommended for 7 Lbs ≤ Dog ≤ back length less than 10.2 inches and weight less than 13 lbs Size M: 13 inches (L) * 8.5 inches (W) * 16 inches (H). Please measure your pet and choose according to the size chart
Comfort experience:To solve the problem of dogs getting hot in backpacks, the SMONT puppy backpack is made of three sides of sturdy ventilation mesh，It is breathable,comfortable,ventilated
Reliable Safety:Puppy carrier backpack built-in security leash with clamp can connect with pet’s collar which will prevent pet get out and protect the safe of pet. The pet front backpack has reflective strips on the front and shoulder straps for visibility at night