Describe: Product name: Glowing wool DIY Color as shown Material: Polyester Size: 50m/1968inch Functional yarn absorbs sunlight for half an hour and then glows for 3 to 4 hours; it can glow again after reabsorbing sunlight. 1. After receiving the product, please put it in the sun to allow the product to absorb light. Glow in the dark hand knitted yarn 2. Soft yarn is versatile. Hypoallergenic and washable, ideal for garments that require regular cleaning, such as pullovers, clothing, blankets and baby gear. 3. Unlike wool, polyester yarn items and garments can be washed and dried with your regular clothes. Dry naturally. Should not shrink. Do not bleach or iron. 4. The length is about 1968 inches, according to the number of hats, scarves and sweaters you want to buy. 5. Glow in the dark. Very attractive, can be given to family or friends, is a good gift. Notes: 1. As we all know, different computers display different colors, and the actual color may be slightly different from the picture below. 2. If you find it difficult to choose the size, you can contact me at any time, we will give you some suggestions, but only for your reference. 3. We can accept orders of mixed items, colors and sizes. This product includes: 1 pc yarn