product information Name: 2L Portable Folding Drinking Bag Specifications: 36*17cm Water pipe length: 100cm color: blue Material: food-grade transparent TPU, the material has passed the GS test certification. It has good wear resistance and compression resistance. It is recommended to drink at -20C to below 50oC to avoid scalding. Applicable scenes: leisure, mountaineering, beach, outdoor, camping, photography, etc. When strenuous exercise occurs, replenish water in time to prevent water loss. How to use: As long as you bite the suction nozzle to absorb water, a stream of cool and refreshing spring water will immediately flow into your mouth, and it will automatically close after you let go, completely freeing your hands. feature 1. Strong wear resistance. Ordinary materials are subjected to friction, scratches, etc. during use, which will cause the surface to gradually wear out, while TPU has excellent wear resistance, which is more than 50 times more wear-resistant than natural rubber. 2. Good buckling resistance. Many plastic materials are easy to break under repeated stress, while TPU can maintain excellent buckling resistance under different environments. 3. Hydrolysis resistance TPU has good hydrolysis performance at room temperature, and no obvious hydrolysis will occur within 1-2 years. 4. Tear performance Tear strength is the ability to judge the material's ability to resist tearing, and TPU has a high degree of tear resistance. 5. High temperature resistance and good oxidation resistance. Package includes: Water bag*1