Instant heat in your hand with just one click Slim, portable pad will slip into your pocket or glove Provides heat for up to 2 hours (up to 54ºC/130ºF) Great for outdoor activities or soothing aches and pains Environmentally friendly thanks to reusability Product Dimensions (mm): 95x95x10 Net weight (kg): 0.1 Colour: Blue Diameter (mm): 90 Main body material: Sodium acetate (food grade, conforms to EN71/MSDS)