Friendship Bracelet String Kit includes 100 colors embroidery floss, 15 skeins white and 15 skeins black, plus 10 plastic floss bobbins. Premium quality rainbow embroidery floss features bright colors, rich luster, non-fading, firm and smooth texture with no static electricity. Flexible material resists pilling and falling apart for long storage life. Ideal for friendship bracelets, handicrafts, cross stitch, tassels and charms. Perfect gift for family and friends to enjoy Diy embroidery projects together. Enhances children's practical ability and stimulates imagination through parent-child crafting activities. weight: 1.83 pounds.