ELUTONG non-slip yoga socks specification: Women's size 35-40 or 41-43. Package: 4 pairs of ELUTONG yoga socks. Colours: 4 colours. Ideal not only for yoga, but also for Pilates, barre, bikram and ballet. ELUTONG women's non-slip ballet grip socks are also perfect for home, travel, studio, bed, work and hospital use. The reasons why you need to be interested in ELUTONG yoga socks are as follows: 1. Unique design - Develops the non-slip grippers in a circular pattern, not only for style, but also to ensure traction performance. 2. Custom molded handle - Profile provides grip at key contact points of your foot. 3. CONSTRUCTED FOR COMFORT AND HEALTH - The natural cotton blend keeps your feet cool and a ribbed compression arch provides all-day comfort that's good for your health. 4. Not easy slip strip – a heel grip on the inside of your sock keeps it in place and securely on the foot without damaging your feet! Great gift – perfect gift for your families, friends as a Mother's Day or birthday gift.