This is lycra pouch with a thin elastic waistband and back t-strap. That's all there is! Though not pratical swimwear, it's really easy to make and it requires just a small piece of fabric. It's great practice to help beginners get familiar with sewing lycra and elastic. Pattern is one size fits all. Requires: 3/8 yard (34 cm) spandex; 1 yard (92 cm) of 1/4 inch (6 mm) black elastic. Please see this note regarding fabric requirements. Level: Easy