The product is not useful. We ordered this for our trip to Kalpa from Gurgaon. When we inflated for testing first time it was looking ok. When we went on trip after 4-5 hours it bulged from one side (driver side two lanes). It became really uncomfortable for kids to lay down with half buldged 3-4 inches more than other part. Anyways the story doesn't ends here. When we came back I called Amazon to return. To my surprise this product has a 10 days return policy. So now I am with a useless product and Amazon cannot do anything about it now. I was recalling Amazon advertisement of "apni dukaan" and my 2000 rs wasted on this product. Really sad about losing money on a faulty product. I will not recommend this product to anyone. Also would advice people to be more cautious when they order anything from Amazon now. You never know when you will be in my place facing the same frustration. I lost the trust I had on Amazon.