Positioning Wedges 30 Degree 7 x 12 x 24 (Pair) Patient Chairs 10 cm2 Sound Head Applicator Mineral oil softens and 10 cm2 Sound Head Applicator * Optional Accessorie for the following items: CHAT2782 CHAT2738K CHAT2763 CHAT2786K CHAT2760K CHAT2788K CHAT2793K CHAT2797K CHAT2791K CHAT2795K * Provides 2 hours of cold therapy * Removable inserts can be exchanged without removing the wrap to provide long term cold therapy * Keeps patients comfortable and dry while allowing mobility * Can effectively penetrate surgical dressings to decrease pain edema and secondary hypoxic tissue injury * Provides optimal 30 degree angle of incline for relieving pressure on hipbone and coccyx * Wedge is comfortable high density foam * Breathable low shear 4 way stretch cover with antimicrobial protection requires friction * Slip resistant bottom prevents sliding