●【QUICK SELF INFLATING】Twin air mattress built in pump with Double air chamber,Dual air chambers work simultaneously, Inflates and deflate in just 2 minutes ,all night stability no lost air ●【STRONG lOAD BEARING】Air mattress with built in pump internal coil beam construction provides solid support to maintain stability, max weight capacity of 550 lbs, With inflated dimensions of 75” x 39” x 18” ●【COMFORTABLE SLEEPING】Twin air mattress multi layer soft top flocking creates an amazingly comfortable sleeping experience,soft top flocking is waterproof and odor proof for a more peaceful sleep ●【NON SLIP STABILITY】 Multi layer puncture resistant PVC materials reinforce the blow up mattress while maintaining its shape and firmness, prevent leaking and provide air mattress bottom non slip stability ●【APPLICABLE SCENE】Twin air mattress built in pump for camping,home,guests & portable travel,It can also be a carefully selected gifts for women and men, a different practical gift. ●【CUSTOMER SUPPORT】Each Zearna air mattress with built in pump will undergo a comprehensive quality inspection before delivery. If you are not satisfied with the air mattress you receive, don’t hesitate.Contact us immediately and we will give you a satisfactory solution as soon as possible