Covered soft but hard wearing thermal Sherpa Fleece & designed to keep your pet warm & comfortable. The thick base cushion 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 Four colourways. Available in four sizes Internal Measurements For External add Approx. 10 cm Size 3 Intermediate L51cm X W41cm X H20cm / Base Cushion 7 cm thickness Size 4 Medium L61cm X W51 cm X H22cm / Base Cushion 7 cm thickness Size 5 Large L76cm X W64cm X H24cm / Base Cushion 8 cm thickness Size 6 Jumbo L97cm X W74cm X H25cm / Base Cushion 8 cm thickness All measurements given are subject to slight variation due to manufacturing process.