CRITICAL SIZE GUIDE FOR XS: Designed specifically for very small pets like Toy Poodles, Pugs, and cats. Please measure your pet's chest, length, and weight before ordering. Do not guess the size based on weight alone to avoid returns and ensure a perfect fit RESTORE MOBILITY & JOY: This dog wheelchair for back legs provides stable support for pets with injured or paralyzed hind legs. Watch your furry friend run, play, and regain their confidence and dignity with our reliable dog wheel chair LIGHTWEIGHT & DURABLE FRAME: Made of premium, lightweight aluminum, this small dog wheelchair minimizes the burden on your pet. The sturdy construction ensures long-lasting use while keeping your pet comfortable during daily walks FULLY ADJUSTABLE DESIGN: The height, width, and length of this wheelchair for dogs are easily adjustable. This ensures a custom-like fit for your XS pet, providing maximum comfort and stability without squeezing their body COMFORTABLE & BREATHABLE HARNESS: Features a soft, breathable mesh harness that prevents overheating and rubbing. Your pet will stay cool and comfortable, making this doggy wheelchair for back legs ideal for extended outdoor adventures Give your beloved pet the gift of mobility with our XS Dog Wheelchair for Back Legs. Specially engineered for very small breeds such as Toy Poodles, Pugs, and cats, this lightweight mobility aid is the perfect solution for pets suffering from hind leg paralysis, injuries, or arthritis. We understand that finding the right fit is crucial. That is why we strongly urge you to measure your pet carefully according to our size chart before purchasing. Guessing the size often leads to returns and delays your pet's recovery. The XS size is tailored for tiny frames, ensuring they get the precise support they need. Constructed from durable, aviation-grade aluminum, our small dog wheelchair is incredibly light, allowing your pet to move freely without feeling weighed down. The fully adjustable frame lets you tweak the height, length, and width for a custom fit. Coupled with a breathable mesh harness, your pet will enjoy maximum comfort without chafing. Let your furry family member run and play again with confidence!