• Safe and Comfortable: UL964 compliant PTC/NTC heating wire to provide perfect deep & relaxing sleep temperature
• Warm and Soft: Interior is lined with 600″ safe heating wires for faster and more uniform heating
• High Quality Fabrics: Made from 280GSM classic grey flannel and 260GSM sherpa
• 6 Months + 24 Hours Warranty: Maple&Stone team provides 24*7 day customer service to solve any problems