Swimwear is made of environmentally friendly material. This material is made of recycled polyester. These swimsuits are only partially lined with a thin layer of fabric in the front. The lining does not cover the entire front of the swimsuit. The swimwear have elasticated waistband for better tightening and comfortable wearing. The fastening string guarantees comfort. You can fasten the swimsuit by the string and you don't have to worry anymore that the swimsuit will fall down when you jump in the water.