Non Slip Foam Yoga Blocks Ideal for Yoga Stretches and for use with Yoga Mats. Lightweight, Durable and Perfect for Yoga Exercise. Single Block or Yoga Blocks 2 pack. High Quality Yoga Equipment to Enhance Your Yoga Pilates Experience High Density, Durable, Sturdy Lightweight Foam Block, Odour Free and Easy to Clean Safe Non Slip Surface Provides Greater Stability and Safety in Use Allows You to Hold Posture Longer and Provide Greater Control Increase Your Flexibility Level and Improve Balance High Quality Studio Standard and Easy to Use