Hamster Nest Large Space Keep Warm Pet Bed Winter Small Animal Cushion Nest Pet Supplies. Description: The pet bed is enclosed design, which is in line with pet's habits and pet safety and prevents cold air from entering, and it can firmly keep the internal temperature. There are features of hanging design and windproof, so the hamster bed is large enough for small pets to do stretching activities and keep your pets warm when sleeping, let small pets catch colds less. Made of soft cotton materials, the pet bed is not easy to deform, and the inner lining is very warm. There are four different sizes for you to choose: S, M, L, XL. Suitable for small animals such as hamsters, parrot, guinea pigs, chipmunk, hedgehogs, squirrel, ferret rat, etc. Item Name: Hamster Bed Material: Cotton Features: Warm, Large Space, Comfortable Size Details: S: 8cm x 8cm/3.15" x 3.15" (Approx.) M: 10cm x 10cm/3.94" x 3.94" (Approx.) L: 15cm x 15cm/5.91" x 5.91" (Approx.) XL: 19cm x 18cm/7.48" x 7.09" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Hamster Bed