This non-slip elastic bands are durable and breathable, ensuring the comfort of wearing, with 4 strips of straight line silicone on one side of the elastic band, which can provide friction to fix the fabric in place and prevent slipping, great for home and outdoor, vacation sewing needs. uitable for wigs, underwear, pants, sportswear, swimwear, skirts, waistband, necklines, bras, bikini, knee brace, bib shorts, bike riding shorts, cycling shorts, cuffs of skiwear, knee pads, knee boots, etc, meeting the sewing needs of home, bring convenience and joy of DIY to your life