Sturdy & Easy to Carry : The dog ramp can support up to 150Lbs large dogs with heavy-duty aluminum metal and stable 1680D oxford fabric to prevent steps sagged when climbing. The lightweight stairs weigh only 11.11 lbs with a compact folded size, it doesn’t take much space in a car, great for storage and travel everywhere. Compared to regular dog ramps, Petshug upgraded the stair frame to aluminum, making its ramps lighter and more stable. Thickened wood compartments inside the steps make the ladder overall strong. The anti-slip layer on the fabric enhances the slip resistance of the fabric and also better prevents pets from slipping and getting injured during climbing. Adjustable Design:For This dog ramp for car , the open adjustable height from 23.2"-25", adjustable length from 36.6"-48.4". Closed measurement is 16.9'' x 5.7''' x 12.7''. A Handy Aid for Your Pet : These folding 5 step alum stairs are specifically designed for helping dogs into trucks and SUVs and work well for any situation where your dog needs an extra boost-up! Whether your dog is injured or has sensitive joints, these stairs can help your dog easily access hard-to-reach areas. 100% Customer Satisfaction: Petshug is a professional pet brand, if you have any questions, welcome to CONTACT US! We’ll make sure to solve your issue ASAP!