Made from cherry stones a natural waste product, discarded from food production. They're hand sewn into a two layers of organic cotton. Simply heat in the microwave 2 minutes and pop them in your pockets or directly onto the area you want to warm and wait for slow release of warmth. A Cherry Stone Pack can help with period pain, general pain and stiffness by providing gentle warmth. Cherry Stones: 1. Natural product 2. Machine washable (unlike wheat packs) Size: 50cm x 12cm