sheep leather polyester 【Soft Breathable Material 】this heated gloves made of soft sheep leaher on whole palm and fingers , water resistant and windproof polyester on back of hand.inside with very breathable soft fleece & insulated cotton .Velcro on wrist , adjustable easily 【Heating Elements Covers Whole Back of Hand and Fingers Till Finger Tips】this heating gloves upgrade to use far infrared heating elements Which can be stimulate your blood circulation . Great for Raynaud’s , Arthritis , Bad Circulation, Stiff Joints People. Give you a warm winter . 【7.4V 2200MAH Rechargeable Li-ion Batteries & 3 Settings Temperature Controller】The electric gloves Include pair of 7.4V 2200MAH rechargeable lithium polymer batteries. Heating Up to 2.5-6 Hours and full charge around 3-4 hours . Also it is with 3 heat setting controller for you adjust the temperature easily . 【Touch Sensor】This battery gloves with touch sensors on index finger and thumb will work on any smart device . convenience to use 【Warranty】1 year wanrranty.If you have any futher questions or any quality size probems , please contact us by email freey .we will more than happy to assist you ASAP within 24 hours .100% Satisfication guarantee give yourself and beloved ones a chance to say goodbye to cold hands.