M05 Hand warmer instructions Reusable hand warmer Hand warmer instructions Learn how to activate a hand warmer with a metal disc, use it safely and prepare it for the next use. Request a quote How to use the hand warmer The hand warmer requires no batteries or charging. 1. Activate Flex the metal disc inside the hand warmer. The contents will begin to crystallise and release heat. 2. Warm your hands Once activated, the hand warmer releases heat for around 30 minutes. Use it according to the instructions and do not use it if damaged. 3. Prepare it for reuse Remove the hand warmer from its sleeve. Place it in boiling water for about 6 minutes, then leave it to cool. Important information heat duration: up to approximately 30 minutes,temperature: up to approximately 40°C,reusable product,do not puncture or use a damaged hand warmer,when used therapeutically by children, adult supervision is required. See hand warmer types Want to order hand warmers with your own logo? Send us your logo or design. We will prepare a quotation and a free visualisation before production. See hand warmers Contact us