An award-winning design! The oval outer ring provides a feeling of "security" and comfort for your pet, while the removable "tufted" cushion can be used as a crate or travel mat. Bolster and bottom cushion contain 100% "high-memory" polyester fibre size Outer Dimension Inner Dimension XS 22"x16"x6" 15"x11"x3" SML 27"x22x"7" 19"x11"x5" MED 35"x27"x8" 26"x17"x6" LRG 42"x32"x9" 31"x19"x7" XL 50"x36"x9" 36"x22"x7" XXL 55"x35"x11" 41"x24"x9"