Material:Non-woven Disposables with skin friendly water base glue materials, it is not sticky and enables skin breathe. Widely Used: Can be patched on belly, abdomen, arms, hips, buttocks, thighs. When you are walking, do sports, or do housework, you can enjoy the fat burning with this patches Comfortable:You won’t feel the moistness and sultry after sticking it to the navel. With good adhesion, you can easily attach the sticker to the navel. Usage:It is recommended to use 2 hours and should not exceed 4 hours a day. Your skin may warm or sometimes even hot sensation, those are normal and expected Note: Weight loss stickers are applied directly to the stomach one or every other day; use time is 2 hours and should not exceed 4 hours. It is recommended to use more than 30 days for better results.