High Density Eva Foam Yoga Blocks Set Of 2,Non Toxic Anti Skid Yoga Brick Block For Improve Strength And Aid Balance And Flexibility For Women Yoga Accessories Equipment (9 x 6 x 2.5) InchesEVA Foam Blocks Non Slip Surface for Yoga Slip resistant,Lightweight and Portablemoisture proof. Balance & Stability Yoga blocks provide the stability and balance needed in your yoga Pilates sessions to help with optimal alignment, deeper poses, and increased strength. Extend & Deepen Stretches Foam blocks make for the ideal yoga prop and companion, as they are an important tool in your practice to help extend, support and deepen your stretches while