Cooling mat measures 15.5' x 11.75'. Best for teacup and toy breed. Check the dimension and make sure your pet fits comfortably on the mat. Soft, durable and easy to clean nylon surface. Filling is made of non-toxic heat-absorbing coolant, creates a soft and comfortable, cooling mat that stays cool in spite of body or room temperature. No electricity, water or ice is required. Reusable thousands of times. Keep your pet cool and comfortable even in hot weather. Perfect for pets with hip/joint ailments or other health concerns. Lasting cooling effect and can be used continuously for 6 - 8 hours. Feel the difference by placing your face on the cooling mat like a pillow for a minute and you will feel the gentle cooling sensation from the heat absorbing coolant.