Our 5/16" (just under 3/8") Rubber Elastic is specifically designed to meet the unique demands of swimwear construction. This high-quality elastic provides excellent stretch and recovery, ensuring that swim garments maintain their shape and fit, even after frequent use. Made to withstand the harsh effects of chlorine and saltwater, it retains its elasticity and strength, making it an ideal choice for both professional swimwear designers and DIY enthusiasts. The elastic's 3/8" width is perfect for a variety of applications, including swimsuit straps, leg openings, and waistbands, offering both comfort and reliability.