ProSource Flex Foam Rollers and Half-Round Rollers 36&rdquo; and 12&rdquo; for Muscle Massage, Physical Therapy, Core & Balance Exercises Stabilization, Pilates TRIGGER POINT RELEASE - Helps gently release trigger points and loosen tight muscles for improved flexibility, especially in commonly tight areas like the back, calves, IT band, hamstrings GREAT FOR BEGINNERS - Ideal for beginner users and physical therapy, the dense foam structure provides moderate pressure for learning how to foam roll with less discomfort BALANCE & STRENGTH  The half-round roller is great for balance exercises, improving body-awareness and stretching; use two halves for standing and kneeling exercises USES & BENEFITS  All size are great for Pilates core work, yoga, rehab exercises, and spinal alignment; Helps increase blood circulation for faster recovery and reduced soreness VARIOUS SIZES - 36 x 6, 12 x 6; half-round 36 x 3 & 12 x 3. Made of non-toxic EPE foam