ABOUT SMELL: After you receive the goods, first open the outer packaging (be careful,not to scratchthe inside product),and leave it for 2 hours at room temperature (20-30 degrees Celsius) before starting installation.There will be a little plastic smell when you just unpack, but please rest assured that the materials are safe and environmentally friendly. The odor can be eliminated by blowing the wind or adding some shower gel in thewater for about half an hour. QUESTIONS ABOUT PRODUCT QUALITY: As the product is made of PVC, the requirements for the use environment are relatively high. Please remind the customer: 1. Keep away from all sharp objects, which may puncture our products. 2. Our products can be used from minus 10 degrees to 60 degrees. The lowest limit operating temperature is minus 15 degrees. lf the temperature is too low or too hot, the product performance will be reduced. 3.The air ring recommends 80% inflation. Stop lnflate when without the ringwithoutwrinkles. 4.Please read our instructions. We guarantee that every bathtub has passed 100% QC inspection before shipping.lf any quality problem is found, please ask the customer to provide relevant photos orvideos, and the factory will analyze the cause. lf it is caused by the factory's production quality, the factory will bear the relevant costs.