Wave card slot,it is more convenient to wash clothes the rubbing,let you wash quick and clean. Suitable for washing underwear, socks, children's clothes and other small clothes. Fixed tripod design for easy to fix on the edge of the wash tray.no need to worry when you washing the washing board will slides into the laundry tray. At the top of the round hole design,convenient hanging on the wall,drain water quickly. Easy and convenient use, more save effort. Specification Product Name: Washing Board Size: 28.5 x 16cm/11.22" x 6.3"(L*W) Weight: 120g Material :PP Color: Blue/Green/White/Grey Suitable for cleaning the baby clothes and underwear. Package includes: 1pc X Plastic Washboard Washing Board Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. pls understand! Specification Product Name: Washing Board Size: 28.5 x 16cm/11.22" x 6.3"(L*W) Weight: 120g Material :PP Color: Blue/Green/White/Grey Suitable for cleaning the baby clothes and underwear. Package includes: 1pc X Plastic Washboard Washing Board Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. pls understand!