High Density Triangle Yoga Block, Non-Slip Yoga Block for Leg Neck Description: [2 IN 1 DESIGN] The roller has a removable inner column. [HIGHEST AND RELIABLE] Yoga blocks are made of high density foam material, lightweight, pressure resistant and durable to use. [FEATURE] The roller column helps maintain stability and balance, thus helping to maintain the pose and optimal positioning. [APPLICATION] Triangle foam blocks are ideal for restorative yoga, Pilates, meditation, fitness and exercise classes. [EASY TO STORE] The yoga column roller can be easily stored and moved during daily workouts at the gym or in the hotel room. Specification: Material: foam Size Chart: 23 cm x 12,5 cm / 9,06 inch x 4,92 inch, Inner column: 23 cm x 5,3 cm/9,06 inch x 2,09 inch The package includes: 1 block for yoga, 1 inner column