Our Hottie Bottle Body Warmer is specially designed to be heated in microwave or chilled in the freezer for soothing stomach-ache. Great for use by children as a warm comforter it can be used by the elderly and is totally safe with electric blankets. The soothing blend of the buckwheat seeds and natural herbs aroma soothes and relaxes people genuinely relieves discomfort releases stress and everyday aches & pains. It gives you intimate and concentrated on-the-spot and temperature therapy. Natural soften bamboo fabric selected specially to comfortable wearing for environmental responsible and health benefits. Product Dimensions: 13.75 x 7.75 x 1 inches. Heat Therapy:. Place in microwave for 1 to 2 minutes intervals until optimal warmth is achieved. Always test temperature before using. Wrap should feel warm or desired comfort. If overheated or too hot to the touch allow to cool before use as overheating may cause burns. Cold Therapy:. Seal in a plastic bag and place in freezer overnight. May be left in freezer indefinitely until ready for use. Care:. Remove cover and machine wash cold. Hang to dry. Do not get grain pack wet.