100% polyester. Ties to the bed. Takes only 10-15 minutes to heat up. Pre-heat facility. 3 heat settings. Safeguard overheat safety protection. Single control. Suitable for all night use, on low heat setting. Machine washable at 40 degrees. Cool tumble dry. Detachable cord. BEAB approved. Size 122 x 107cm (48 x 42in). Manufacturer's 3 years guarantee.