【PET SAFETY FIRST】 This dog booster car seat features 2-in thick side bolsters for superior support, an adjustable built-in leash tether, and an adjustable headrest strap. Two seat-belt pass-throughs plus a full anti-slip base keep the dog car seat firmly anchored for a steadier, safer ride 【REVERSIBLE LONG & SHORT PLUSH FOR ALL-SEASON COMFORT】 The booster cushion of our dog bed for car uses a dual-sided design: plush long-pile gray for cozy warmth and breathable short-pile gray for cooling comfort. The material of this dog car seat medium sized dog is soft gray/black crystal velvet that’s skin-friendly and pet-friendly 【UPGRADED 28D EGG-CRATE MEMORY FOAM】 Our car seat for dogs has a 28D egg-crate memory foam, offering better support, airflow, rebound, and cushioning than other ordinary foam—great for seniors, pups with joint issues, and smoother braking/turns protection during drives 【5.1IN BOOST FOR A BETTER VIEW, GREAT FOR SMALL & MEDIUM DOGS】A 5.1 in booster cushion lifts your pet for a clearer window view to ease travel anxiety—ideal for long road trips. Size: 29.9 × 18.9 in; recommended for pets up to 60 lb. Suitable for breeds such as French Bulldogs, Corgis, Bichon Frise, Poodles, Toy Poodles, Shih Tzus, young Golden Retrievers, young Labrador Retrievers, and similar small to medium dogs. Please measure your pet before purchase. 【1-MINUTE INSTALL & MULTI-SCENE USE】 Attach the headrest strap and thread the vehicle belt through the bottom slots—done in about a minute. Use in rear seat or trunk, bring indoors or outdoors as a portable pet lounger for living rooms, bedrooms, RV camping, or picnics—your go-anywhere dog seat for car. (Tips: After opening, let it sit for a few hours to fully fluff--to get a dog car seat with no vacuum marks) Gimars Reversible Dog Car Seat with Long & Short Plush for Small/Medium/Large Dogs Up to 60lbs, Detachable Washable Anti-Slip Dog Booster Seat with 5.9'' 28D Egg-Crate Foam, 2 Side Pockets, L