The oval outer ring creates the feeling of security pets love, while the removable tufted cushion can be used as a crate or travel mat. Circular tufting creates an elegant upholstered look and ensures fiber does not clump or shift when washing Inner Cushion: machine wash and dry as is on cool setting. Tufting prevents fibre from shifting or clumping. Outer Cover: Unzip cover and remove bolster. Rezip cover and wash on cool setting. Hand wash inner bolster only. Size Outer Dimension Inner Dimension Suggested weight Extra Small 22"x16"x6" 15"x11"x3" up to 15 lbs Small 27"x22x"7" 19"x11"x5" up to 25 lbs Medium 35"x27"x8" 26"x17"x6" up to 45 lbs Large 42"x32"x9" 31"x19"x7" up to 80 lbs Extra Large 50"x36"x9" 36"x22"x7" up to 100 lbs Extra Extra Large 55"x35"x11" 41"x24"x9" up to 120 lbs