Thickened PET material, waterproof and moisture-proof, high viscosity, strong stickiness, keep the viscosity unchanged for 4-6 months (shelf life is five years in the unopened state)Matters needing attention: 1. This product is an indoor product, and the sticky rat board should not be placed in an environment exposed to sunlight, rain, oil and dust, so as not to affect the sticking rat effect 2. The glue used for the sticky mouse board is green and environmentally friendly hot melt glue, please use it with confidence 3. When using, pay attention to children and pets to prevent sticking. If you accidentally stick to it, please use cooking oil to clean up the glue first, and then rinse with detergent and water 4. When the temperature is relatively low, it can be easily opened after preheating