These point protectors store your needles while keeping stitches secure on the needles. These may be used on both straight and circular needles. They prevent needle points from piercing through fabric in your project bags and protect them from damage during travel or storage. These are ideal for knitters who like to facilitate their craft storage or knit while travelling. This product is available in two sizes: Small 333/S: Suitable for needles 2-4.5mm / 0-7 US / 14-7 UK Large 333/L: Suitable for needles 3.75-6.5mm / 5-10.5 US / 9-3 UK