The Scruffs® Thermal, Self Heating Pet Beds are an ideal choice to keep your pet warm on those cold winter nights. Each bed contains a foam layer, backed with reflective foil. This layer is sandwiched between quilted polyester fibres and the beds main fill, it reflects body heat back to your pet, keeping them warm. The quilted hollow fibre lies beneath a super soft fleece cover this layer holds warm air around your pet providing added insulation. The box beds feature a one-piece construction providing greater support and durability; they are filled with a 100% Polyester. Scruffs Dog Bed Features: 100% Polyester Small dimensions approx. 50 x 40 cm (19½ x 15¾ in) Medium dimensions approx. 60 x 50 cm (23½ x 19½ in) Large dimensions approx. 75 x 60 cm (29½ x 23½ in) Extra large dimensions approx. 90 x 70 cm (35½ x 27½ in) Available in: Medium 10.00 5 True Pet Care 5.99 5.99 Scruffs® Thermal Dog Box Bed | Kaleidoscope