Features: Keep your pet warm and comfortable with the self heating cat bed. No electricity needed, thanks to its advanced self heating technology. The bed features a soft material that enhances comfort for your pet. The removable cover allows for easy cleaning. Perfect for all pet owners who care about their pets' healthy. Suitable for cats and dogs of all sizes, providing them with a safe and warm sleeping environment. Whether placed in a pet bed or in the car, this self heating cat bed ensures warmth and comfort wherever your pet chooses to rest. Give your pet the gift of warmth and comfort with the self heating cat bed. Say goodbye to cold night and hello to cozy snoozes. Specifications: Material: Cloth Size:S Length:50cm(19.68inch) Width:35cm(13.78inch) Size:M Length:60cm(23.62inch) Width:45cm(17.72inch) Size:L Length:90cm(35.43inch) Width:55cm(21.65inch) Size:XL Length:100cm(39.37inch) Width:70cm(27.56inch) Size:XXL Length:120cm(47.24inch) Width:75cm(29.53inch) Package Includes: 1pc Winter Dog Sleep Pad note: 1: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2: Due to the difference between different monitors, the picture may not reflect the actual color of the item.