1. Lightweight Metal Dog Wheelchair The large dog wheelchair from Lokshun is suitable for most dogs like Border Collies weighing 18–25 kg, with a height of 38–42 cm, length of 20–45 cm, chest circumference of 20–30 cm, and width of 23–25 cm. Check the size chart on our product page before to ensure you the right size for your furry friend. 2. ADJUSTABLE FOR COMFORT Our large rearleg dog wheelchair has an adjustable strap and frame that can be adjusted within a certain range to meet your pet's needs for comfort and fit. Please measure your dog carefully using the size chart before . 3. STABLE LIGHTWEIGHT The wheeled dog cart is made of a lightweight yet sturdy aircraftgrade aluminum alloy frame, ensuring stability and freedom of movement. The solid rubber wheels provide traction, allowing your pet to navigate effortlessly on various surfaces. Our pet rehabilitation aids are constructed from durable, quality aluminum alloy. Lightweight materials and smooth wheels enable your— 4. PROFESSIONAL DOG WHEELCHAIR These rearleg wheels for dogs are designed to help your beloved furry friend regain mobility and independence! If your pet is seriously injured, we recommend visiting a veterinary clinic as soon as possible. We wish your pet a speedy recovery.