Kendall™ Hypoallergenic Paper Medical Tape, 2 Inch x 10 Yard, White, 1 Case of 60 DVT Unit Garments and improved posture * Use 401010 and improved posture * Use as wobble or rocker board: 1 ball for wobble board 2 balls for rocker board * Level of difficulty is variable: 5 sizes of instability balls Larger ball is harder Color coded to difficulty Balls screw in out with ease * 3 sizes of platforms: smaller board is harder * Slots in platform fit band tubing: for full body exercise * Use hanging rack for compact storage: holds 10 balls and 4 platforms * It has a textile material that ensures discretion and provides comfort Minimal adhesive residue upon removal Breathable