Conrad Jarvis Designer's Choice CCJ268 Elastic Cot Swim Reel, 3/4" x 30 yd, Natural Conrad Jarvis Designer's Choice Elastic Cotton Swim Reel 3/4" Natural 30yd Conrad Jarvis Designer's Choice Cotton Swim Elastic is the perfect elastic for swimwear and wash 'n wear garments. It won't be affected by salt water and was designed with swimwear in mind. It has just the right stretch. Reel 3/4" Natural 30yd- 74% Cotton and 26% Rubber