High Density EVA Foam Yoga Block for Improve Strength| Flexibility| Yoga Brick & Yoga Strap with Extra Safe Adjustable D-Ring Buckle for Back Support Bend, Yoga Session for Men & Women'sALL IN ONE COMBO FOR PROFESSIONAL YOGA Slip resistant and sturdy Designed to take the strain off your body, it's crafted with layers of foam, varied in density to provide a durable structure. It has a soft grip while staying slip resistant and sturdy, and the strap works to fix the alignment. The first most common use is just to increase your flexibility. For example, if you currently can't touch your finger to your toes, use our anti skid yoga strap