Jelly Yarn® is the coolest yarn for knitting, crochet, weaving and crafting! Created from 100% vinyl, Jelly Yarn® is waterproof and durable. Vanilla Peppermint Glow Fine Jelly Yarn® GLOWS neon green in darkness, after exposure to light. Jelly Yarn® is specially formulated for knitting and crochet, as well as other crafting from weaving to jewelry making. This unique yarn has been featured at the Smithsonian Institution part of the Hyperbolic Crochet Coral Reef Exhibition. Kids love the glow effect. Have fun with yummy Jelly Yarn!