【Premium Material】: Made of polyester silk and Natural Latex Rubber, soft, comfortable and breathable, no harmful odor, safety in use | 【Good Elasticity】: Decent stretch, easy to restore the original length without deformation, and will not loosen over time either | 【Proper Size】: Upgraded thickened sewing elastic bands, Length: 12 yards/11m, Width: 1 inch/2.5cm, applicable to most sewing projects | 【Wide Usage】: Widely apply to pajama pants, shorts, sportswear, underwear, skirts, waistbands, necklines, wigs or crafts DIY projects etc. especially, perfect for making clothing for your kids | 【Neatly packed】: Each white sewing elastic band was neatly rolled in a circle before packed, easy to cut into the length you want