3S stands for Sileather Super Stretchy fabrics. The surface material is made of 100% silicone, which is a skin-friendly and safe material that is commonly used for children products such as baby bottle nipples and kitchen products such as spatulas.

While the backing is a four directional stretchy knitted cloth, composed of polyester and spandex. Sileather has 10 colours for you to choose from. It has superior performance characteristics such as being weatherproof, waterproof, stain resistant, odourless, soft hand touch, and having high resistance to chlorine.

It is designed and engineered for high elasticity performance required applications such as swim caps and swim suits, etc..

The material passes USA fire standards, NFPA 260 and UFAC Class I, which makes it compliant with commercial buildings, hospitals, etc.. Sileather gained the Indoor Advantage Gold certification, which means that their products do not contribute to indoor air pollution and qualify for LEED v4, BREEAM UK and BREEAM International, Well Building Standard, Green Globes, and Living Building Challenge.