- [DESIGNED FOR SMALL PETS] Ideal for small dogs and cats weighing between 2 to 4 pounds, this pet backpack carrier offers the perfect fit for their body shapes. Please measure your pet according to the Size Chart (Figure 3) before purchasing to ensure comfort during travel. - [PRECISE SIZE OPTIONS] Available in four sizes to accommodate various needs. When selecting a size, prioritize measuring your pet's BACK LENGTH and CHEST GIRTH. If measurements do not align, opt for the larger size to guarantee a comfortable fit. - [EASY ACCLIMATION] To help your pet adapt, gradually introduce them to the backpack. Start by allowing them to wear it for short periods at home, slowly increasing the duration until they are fully comfortable. - [TWO WEARING OPTIONS] This versatile backpack offers two wearing styles. Use it on the front for easy interaction and bonding with your pet, or wear it on your back to explore new environments together. The thickened sponge pad alleviates shoulder strain for added comfort during extended use. - [USE SCENARIOS] Perfect for outdoor adventures such as hiking, trips to the park, or casual strolls around town, this backpack ensures your pet can accompany you safely and comfortably. It also serves well for visits to the vet or pet-friendly events, making it a practical choice for any outing. Crafted with high-quality materials, this pet carrier not only prioritizes your pet's comfort but also enhances your travel experience together. Choose a reliable and stylish solution for carrying your small pet wherever you go.