Aircast Cryo Knee Cuff Pediatric Only Emergency Phone Pager Systems Squeeze 4 Strength Therapy Putty can be Paper Towels Squeeze 4 Strength Therapy Putty can be squeezed stretched twisted or pinched * An excellent therapy for strengthening * Excellent for hands and even feet * Nontoxic clean non oily and non greasy * Will not leave residue or stick to the skin * Putty color reflects the putty strength from xx soft to firm * Various putty colors can be combined to create a custom strength program * Latex Free * Light Beige XX Soft Yellow X Soft Red Soft Dark Beige Medium soft Green Medium or Blue Firm * 5v Ni Cad handles * 120 minutes of operation between charges (compared to 60 minutes for standard Ni Cad handles) * Charges in universal desk charger or with removable AC adapter * Compatible with all Welch Allyn 3 Knee Pediatric Cuff Only *