1, This product is a non life saving equipment, can not be used for playing or life saving in water;
2, Using temperature: -18'C~50'C;
3, When in use, notice not in contact with cigarette butts or sharp objects, so as not to damage the mattress;
2, In the inflation, ensure the 2 layer of the mouth of the 2 gas nozzle are tightened, so as not to leak;
5, In the case of leakage, there needs to check the leak location carefully or use detergent to check the leak site. After you find the leak site, you can patch with adhesive;
6, Please refer to instructions when inflating;
7, Natural leakage is normal after being inflated 10 hours. You can inflate it again for continuous use.