Therapeutic Products TechNiche International offers products that deliver simple cooling or warming relief for aches and pains, and to people in wheelchairs.   Phase Change Cooling 6637 Universal Packs 6” x 6” (15.2 cm x 15.2 cm) Milder, re-useable alternative to ice packs Phase Change Cooling Packs maintain a comfortable 58 degrees F (14 degrees C)     Phase Change Cooling 6638 Back Wraps Secure firmly and comfortably w/hook & loop attachment Phase Change Cooling Inserts maintain a comfortable 58 degrees F (14 degrees C) 100% cotton (excluding inserts) Mid Blue S/M (32" to 40"), L/XL (40" to 46")  Include four (4) Phase Change Cooling Inserts (6668)     Phase Change Cooling 6668 Back Wrap Inserts Use additional inserts for continuous relief Phase Change Cooling Inserts maintain a comfortable 58 degrees F (14 degrees C) 4" x 6" inserts For Phase Change Cooling Back Wraps (6638) Include four (4) PCC Inserts per set     Phase Change Cooling 6690 Wheelchair Back & Seat Cushions Hook & loop attachments for a comfortable fit Phase Change Cooling Inserts maintain a comfortable 58 degrees F (14 degrees C) 100% cotton (excluding inserts) Royal Blue One Size Include one (1) Back/Seat Cushion and two (2) Phase Change Cooling Inserts (6691)     Phase Change Cooling 6691 Wheelchair Back & Seat Cushion Inserts Use additional inserts for continuous relief Phase Change Cooling Inserts maintain a comfortable 58 degrees F (14 degrees C) For Phase Change Cooling Wheelchair Back & Seat Cushions (6690) Include two (2) PCC Inserts per set     Air Activated Heating 5538 Back Wraps Therapeutic relief for backaches and tension Soft, durable, 100% poly-fleece w/black cotton-poly elastic trim, broad hook & loop attachment for comfortable and secure fit, and four (4) built-in Body Warmer pockets strategically placed over the back for maximum benefit Black S/M, L/XL Include four (4) HEAT PAX™ Body Warmers (5540) for up to 16 hours of soothing warmth for your back