PURCHASE TIPS: You should pay attention to the size of this ventral dog carrier bag, especially the length (it's 11 centimeters) between the hind legs before placing your order, and this bag is suitable for dogs weighing up to 12 kilos. Thank you in advance. TWO WAYS TO WEAR: It is not only a 12kg dog ventral bag, but also a dog carrier backpack! Walk as much as possible with your four-legged friend without getting dirty or tired! The shoulder strap is well padded, which can relieve your shoulders. CONVENIENT TO WEAR: There are two zippers on both sides, so you can carry your companion easily and quickly. This ventral dog carrier bag is made for the comfort of your two needs. Your pet will be able to enjoy a comfortable space specially designed for its small morphology.6 OPENINGS FOR COMFORT: Very comfortable for your dog thanks to the 6 covers for its head, legs and tail. The neckline of this dog backpack is elastic, it does not strangle its collar. Equipped with a short leash inside