The GoKnit Jewel Projects Bags are made with a heavy weight patterned ripstop nylon, aremachine washable with an inner loop to keep your yarn in the bag and have a secure outer closure. The bag will stand upright when on flat surface and the large can be carried like a backpack. The small measures 6"x8", the medium 8"x11" and the large 11"x13". A great choice for an elegant bag that will last for years. Handmade in the USA