Cabela's offers the Intex Premaire Elevated Airbed Twin Mattress with Pump, model no. 64473E, for $27.88. Choose in-store pickup to dodge the $8.95 shipping fee. That's the lowest total price we could find by $25. It measures 75" x 39" x 18" inflated and features a pillow top, built-in air pump, and carry bag.