The SHK 30 fits perfectly to your body. Comfortable warmth for the back and neck. The power cord can be removed for machine-washing at 30°C. Hygiene and heat together. Super soft surface • Machine washable • 90 min. timer and fast heating Super soft surface, breathable Cosy and skinfriendly With rucksack design and velcro fastener Special size: approx. 54 x 28 cm Machine washable at 30°C With fast heat up and automatic switch off (after approx. 90 minutes) With electronic temperature control 3 illuminated temperature settings Detachable switch Machine washable at 30°C Oeko-Tex 100 The textiles used for this device meet the stringent human ecological requirements of Oeko-Tex Standard 100, as verified by Hohenstein Research Institute. 100 watt