Inflatable MattressInflation Step1.Open the double-layer inflatable door of the inflatable bed and wait for inflation, insert the pump plug into your car's cigarette socketand switch on the pump.2.Inflate the bed to 70% with the largest inflatable mouth.3.Close the first level valve. At this point, the air mattress will not leak due to the opening of the second level valve.4.Use the medium inflatable mouth to fill up the second level valve,make the bed to your desired level.5.Then seal the valve to ensure optimal inflation.6.Fill up the pillow with the small inflatable mouth and sealthe valve for personalized and comfortable support during your slumber.Please note: To inflate the air cushion to 70% with the largest nozzle first, then use the medium-sized nozzle to inflate to the level you want, this is the fastest way to inflate (within a few minutes)Deflation Step1.open the black valve and and wait for deflating.2.Insert the exhaust port into the inflatable mouth. (Attention: The other side of the electric pump is the exhaust port, and a gas nozzle can be installed to exhaust the gas using the electric pump).3.Fold it up,Convenient to carry. [Specific Vehicle] This product is for Mercedes-Benz A-Class/B-Class/C-Class/E-Class/S-Class. [High-quality materials] This inflatable mattress features a thick material, ensuring it puncture-resistant materials. The upper surface of the air mattress uses a soft flocking layer, which is softer when sleeping and you can have a good sleep with peace of mind. [Easy to Use & Clean] Inflatable bed for car is incredibly easy to use and clean. The flocked-top and PVC-covered material are easy to care for-just wipe it with a damp cloth. The double valve helps prevent leaks, ensuring you get the most out of your investment. [Quickly Inflate Or Deflate Within 4-6 Mins, Versatile Usage] The car air mattress is equipped with electric air pump for home and car, which can be used as car rest bed mattress for camping, tourism, beach, family and garden. Give your children and family a warm and safe harbor. [No risk] If you are not completely satisfied with your order, simply contact us and we will make it right. Item Weight 2.2 pounds Manufacturer WHYZNB Product Dimensions 0.39 x 0.39 x 0.39 inches