About this product range:~ As an alternative to our Paw Print design we can offer the same Sherpa Fleece products in our traditional Blackwatch Tartan design. Same luxury, same comfort, same good night&8217;s sleep but with a Celtic twist! The Sherpa Fleece range offers your pet the ultimate in luxury for a fantastic sleeping experience. luxury Deep Filled Quilted Mattresses are available in eight sizes. Mattresses are made to fit oval plastic beds & are filled with deep, Supersoft Polyester Fibre to give even more softness, warmth & comfort.