The men’s underwear kits include half a meter of our luxurious Bamboo Knit Stretch Rayon Fabric with Spandex and two meters of black plush waistband elastic. This kit is made specifically for the Pin-up Girls Men’s Underwear pattern so you’ll have enough material for one pair for sizes 30″-44″ (76-111 cm). Kit Includes: 0.50 m of Bamboo Knit Stretch Rayon Fabric with Spandex 2 m of Black Plush Waistband Elastic *Please note – this fabric does shrink. We recommend always pre-washing the Bamboo knit before cutting. Simply wash in warm water and tumble dry on low.