Hi Sir this air bad not working properly 
￼ air  not staying in the bed ￼ only staying four hours air ￼ in the bed ￼ after all air ￼ come out 
￼ I think something  hole ￼ but I’m not see anywhere 
 ￼ I don’t know what is happen in the product. I think something wrong I’m not happy. 
 ￼ please return