1. Material: iron+PP+ high elastic high density cotton cover2. Fixing method: rubber sucker3. Product features: compact and convenient, easy to store, carry it with you and practice at any time4. Folded and placed without taking up space5. Soft cushioning, fits the instep, non-slip and sweat absorption6. Thicken and enlarge the floor suction chassis, with large force-bearing area and more stable use7. Dimensions: High elasticity and high density cotton sleeve length is 11.2 cm, rubber suction cup is 12x14.8 cm8. Weight: 0.48 kg

http://olla.gr/indoor-sit-up-aid-household-multifunctional-sports-equipment-butter-ash/