Covered in heavy duty hard wearing Basket Weave or a Polyester Check upholstery grade materials. The thick base cushion reversible cashmere fleece one side basket weave material on the other side Check Beds Polyester material both sides is removable for easy separate washing & the high walls of this bed are filled with bonded Thermal Polyester Fibre to insulate your pet from the cold floor & keep it out of draughts. Designed & Manufactured to be fully machine washable keeping shape after washing. Available in Five colourways. Available in four sizes Internal Measurements For External add Approx. 10 cm Size 2 Small L41cm X W36cm X H20cm / Base Cushion 5 cm thickness Basket Weave Beds Only Size 3 Intermediate L51cm X W41cm X H20cm / Base Cushion 7 cm thickness Size 4 Medium L61cm X W51cm X H22cm / Base Cushion 7 cm thickness Size 5 Large L76cm X W64cm X H24cm / Base Cushion 8 cm thickness All measurements given are subject to slight variation due to manufacturing process