The Scruffs Thermal Self Heating dog beds are the ideal choice to keep your pet warm. Scruffs Self Heating beds have an advanced construction designed to efficiently reflect your pet's heat keeping them warm and comfortable all year round. Self heating ped beds are great for pets who suffer from arthritis, young and ill pets or just those that enjoy the extra warmth. Each bed contains a foam layer, backed with reflective foil. This layer is sandwiched between quilted polyester fibres and the beds main fill. Read more… The quilted polyester lies beneath a super soft fleece cover which is great for trapping warm air around your pet, providing added insulation. Unique one-piece construction for greater support and durability 100% recycled green-fibre filling provides unmatched cushioning, resilience and insulation Available in four sizes of box bed as well as a mattress bed All beds are machine washable All beds have a brilliant non-slip baseSmall: Outer Size: Length 50 x Width 40cmMedium: Outer Size: Length 60 x 50cm WidthLarge: Outer Size: Length 75 x Width 60cmX-Large: Outer Size: Length 90 x Width 70cm**PLEASE NOTE: Should you need to return this item, please ensure that it is in the condition it arrived complete with tags and original packaging to be eligible for a full and immediate refund/exchange.