Product manual: This type is suitable for more than 95% of the car, Universal design ensure that the bed have a perfect fit with space. A safe space in the back seat, let our partner can comfortably sleep in the long travel, children can play freely on the bed, will not fall from the seat. The product uses a sleeper inflatable structure design, soft and flexible, the load bearing capacity of the human body and can reduce even more in the car driving due to uneven pavement caused by bumps and noise, so you can get more comfortable rest environment. Folding simple, easy to carry,two minutes to complete the folding, practical and convenient. Precautions: 1, the product is non-life-saving equipment, water can not be used to play or lifesaving. 2, the ambient temperature in the car used was -18 ? to 50 ?. 3, Avoid contact with the cigarettes or sharp objects, so as not to damage the mattress. 4, when using two inflatable inflation port Layer 2 gas nozzle to ensure tightened to avoid leakage; 5, in the case of a leak, you should carefully check the leak site,you can be found the repair material within the package, cut the right size and using the glue to repair it. 6, when inflated,please check the specificiation. 7, within 10 hours after the inflatable natural leakage is normal.