The Gros Bis balls are presented in small individual boxes with a hole in the top, perfect for using the thread without removing it from it's packaging. Bot practical and hygienic. Gros Bis is a waxed ecru linen string. Ideal for DIY, gardening, book binding, bracelets and in the kitchen. It is traditionally the string used to tie up roasts prior to cooking. Being completely un-dyed, it offers perfect food hygeine. The waxing, which makes the string smoother, consists of a 100% natural starch bath in which is added bee's wax. You will also find here natural linens for making jewellery. If you want a waxed thread, choose the Fil au Chinois thread, and if you prefer unwaxed, opt for Lebaufil.