【Worry-Free Quality & Warranty】: We provide 1-year warranty, 24-hour online service and lifetime support. Package includes: 1 twin air mattress, 1 carry bag, 4 repair patches, 1 user manual. Each SMSWAW air mattress has been subjected to rigorous 72 hours of Air-tightness test before delivery.: With a built-in pump(110V), the blow up mattress reaches full inflation in under 3 minutes and will stay inflated for days. Equipped with an addition air valve for manual outdoor inflation.This twin air mattress built in pump is perfect for accommodating up to 1-3 people with a maximum weight capacity of 330lbs(150kg). It is lightweight at 12lbs (5.4kg) and comes with a hand carry bag for easy storage and transportation. It's perfect for overnight guests, relocating, and camping.Sleep soundly without worrying about air leaks or slipping. The high-quality reinforced seam stitching prevents air leaks and collapses during the night, and the anti-slip bottom design with 0.6mm thickened waterproof, puncture-resistant PVC material avoids abrasions and unwanted sliding.Enjoy superior head-to-toe support and even weight distribution with the SMSWMAW twin blow up mattress's 21 innovative air coil beams. The raised edge structure provides more sleeping space and increases the air mattress's stability, ensuring a comfortable sleep overnight.Before placing the air bed, make sure to clean the floor and avoid putting sharp objects on the inflatable mattress. After a few days of inflation, it's recommended to inflate your air mattress for a few seconds to regain your desired firmness level due to the PVC naturally stretching during use. Invest in your comfort and convenience with the SMSWMAW air mattress. Order now and experience a good night's sleep anywhere, anytime.