Water matress standard size for bed sore prevention

Make Sure You Receive the Mattress With End Flaps Some Sellers Are Trying to Sell a Cheaper VersionMake sure you receive the mattress with END FLAPS some sellers are trying to sell a cheaperversion130 individual bubble cells and quiet pump technology alternately inflates and deflates the air cells for maximum comfort and effectivenessPump produces 4 LPM of consistent air flow and pressure over a 5 minute cycle timeVariable pressure setting on deluxe pump allows comfort setting for maximum comfort and complianceBuilt-in bracket for mounting easily to bedPad Dimensions: 123″(L) x 36″(W) x 2.5″(H); W