1.HIGH QUALITY FOAM: The four directions armrest is *** cm high. Besides, the middle sponge is composed of the 2inch foam together with the 2inch high density foam. 2. Four directions sofa armrests protection makes your pet feel safe. The sunk memory foam in the middle can best ease the tiredness of your pet. 3.SIZE: The size of the dog bed is 108*91*18cm 4. KEEP CLEAN EASILY: The four directions armrest together with the middle foam both have the waterproof liner and washable removable cover, which protect your bed and keep it clean. 5.PERFECT CUSTOMER SERVICE: If you have bought our dog bed cover and have some confusions, please contact us via Amazon or the e-mail: firstname.lastname@example.org.