Pet Heater Carpet Opened, but the contents are unused. The instruction manual was creased during storage. It does not affect readability. For both summer and winter Winter: Heater mat Summer: Regular mat (remove the cover for a cool pet mat) Waterproof and moisture-proof. Adjustable temperature/time (timer 1-12 hours, temperature 1-9 levels, 30℃-55℃) Anti-bite protection tube Removable cover Size: 45 x 70 cm Instant purchase OK.