Patent ID: 8117692

Claim:
A sheet system 100 comprising: (a) a primary sheet 110 having a top surface 115 , a bottom surface, and corners adapted to fit around corners of a mattress 101 in a conventional manner, wherein a second protective layer 150 is disposed between the top surface 115 and the bottom surface of the primary sheet 110 , the second protective layer 150 provides moisture protection; (b) a secondary sheet 210 for attaching atop the primary sheet 110 , the secondary sheet 210 has a top surface 215 , a bottom surface 216 , and corners, the secondary sheet 210 is sized to cover all or a portion of the primary sheet 110 , wherein a first protective layer 250 is disposed between the top surface 215 and the bottom surface 216 of the secondary sheet 210 , the first protective layer 250 provides moisture protection; (c) a plurality of first attachment means 12 n disposed on the top surface 115 of the primary sheet 110 , and a plurality of second attachment means 220 disposed on the bottom surface 216 of the secondary sheet 210 , the second attachment means 220 are adapted to engage and temporarily attach to the first attachment means 120 , the second attachment means 220 are arranged to align with the first attachment means 120 ; and (d) first protective flaps 130 disposed adjacent to each first attachment means 120 , the first protective flaps 130 can move between at least a first position and a second position, wherein in the first position the first protective flaps 130 cover the first attachment means 120 and in the second position the first protective flaps 130 leave exposed the first attachment means 120 .