Rosewood 40 Winks All Seasons Mattress. Mattress/sleeper for cats and dogs. Available in 5 sizes. Double-sided design, with our exclusive dog silhouette print. Fits the Sonny plastic beds perfectly, but can also be used as a standalone sleeper. Machine washable at 30 degrees. Size All Seasons 80 (67cm) All Seasons 95 (81cm) All Seasons 110 (94cm)