HIGH-QUALITY MATERIALS: Solid orthopedic foam base for perfectly to your pet’s body for maximum comfort, provides deep cushioning and pressure relief on joints; The bolster is big and fluffy which is relax breathable and good resilience; The bottom material of the dog bed comes with built-in nonslip rubber backing Medium DOG BED: Measuring from outside of bolster 32"x 22". Sleeping area inside bolster: 26"x 16". Ideal for Small to Medium size pets. Can easily hold up to 50 lbs and fitted for pets up to 26" in length BETTER DESIGN: Quilted gray cover compliments any home decor and is removable and machine washable; Non-slip rubber backing prevents the the bed from sliding on hardwood floors and tile; Cotton padded walls are designed to instantly contour to the neck and head for optimum comfort EASY TO ASSEMBLE: Simply unwrap orthopedic foam and let it expand, insert foam into the base of the bed, and zip it closed EASY TO CLEAN: Dog Bed with Removable cover is machine washable and air