[Product Information]- 3.5 inches in diameter, providing a massive amount of sheer and grip
- it's ideal for areas like the QL, pecs, buttocks, hips and other large muscle mass
- use it against the wall and roll along the chest, shoulders and scapula, or go deep into your QL, low back and hips
- its soft top layer and dense inner core allows you to roll over and around bony prominences


