Fabric: four-way stretch (95% polyester and 5% spandex)  
This product is nonelastic.
Adjustableear-loop (29cm x 0.4cm),filter x1, two layers of cloth 
Care Instruction: machine wash cold with similar colors, do not bleach, tumble dry low, do not iron, do not dry clean.
This product is made on demand, with no minimum order quantity.
Notice: a variety of factors may cause slight differences between the actual product and the mock-up, including but not limited to colors and precision of elements position.