Material: Non-woven Disposables with skin friendly water base glue materials, it is not sticky and enables skin breathe. No side effect. Weight Slimming Helper: Can help people with thick waists, legs, and arms to stay slim and healthy. Especially suitable for those who lack of exercises, weak and obese people. Easy to Use: Especially consider for people who have no time on exercise or diet. Just stick it on your belly, arms and thigh. Usage: It is recommended to use 2 hours a day. Your skin may warm or sometimes even hot sensation, those are normal. Widly Use: Can be patched on belly, abdomen, arms, hips, buttocks, thighs. Whenever you are walking, do sports, or do housework, you can enjoy the fat burning with this patches.