100% Microlight to Polyester Serta - Rest easy with a brand you can trust. Serta’s heated blanket is ETL certified and independently tested to meet the highest safety standards. With decades of experience and hands on expertise, Serta is dedicated to deliver comfort for everyone. Soft Plush Material & Dual Control - Serta's heated plush blankets offer premium softness and dual-zone temperature control with 2 controllers for personalized comfort in Queen and larger sizes 10 Heat Settings & Auto-Shut Off Feature - Comfy plush electric blanket comes with 10 level heat setting controller and 1-12 hour auto shut off timer safety feature. Input Voltage: 120V/60Hz 1 Heated Blanket:100"W x 90"L . Power cord: 6ft; Controller cord: 11ft. Twin & Full Size comes with one controller, while larger sizes come with 2 controllers Safe & Hassle Free: Designed with your safety in mind. Conveniently machine washable and backed by a 5 year warranty. DO NOT LEAVE CONTROLLER COVERED WHEN IN USE TO AVOID OVERHEATING