The GoKnit® Classic Project Bags are made with ripstop nylon, machine washable have an inner loop to keep your yarn in the bag and have a secure outer closure. The bag will easily squish to fit into any backpacks, brief cases or luggage to keep your projects close and safe. The medium measures 8"x 11". A great choice for a knitting or crochet bag that will last for years. Handcrafted in the USA.