Cactus Point Protectors. These soft, slightly squishy knitting needle point protectors are so fun to use! Made of BPA-free, food-grade silicone, they keep your stitches secure and defended against the chaos of the universe. If only they worked for more than just knitting... Simply stick your knitting needle points into the hole in the point protector and your stitches will stay secure! Works best with needles size US 3 - US 11.