Design: Comes with a ring, so you can easily add a clasp to your piece Use this tube to complete handmade jewelry designs, easy to use and convenient no other tools required. Quantity and Size: Each box of 48 pieces of 8 sizes 6 pieces of each size, size about 6-30mm long, 5.5-6mm wide, enough to meet your needs and a lot of sizes you can choose is a great jewelry making accessories for craft lovers. Easy to Use: The end of the tube side is closed and the other side is opened. Using the tabs on the end allows you to slide your project through the slot. Installation is as easy as sliding the last row of the loomed bead in the tube cover and folding the cap tabs. Easy to Use: The end of the tube side is closed and the other side is opened. Using the tabs on the end allows you to slide your project through the slot. Installation is as easy as sliding the last row of the loomed bead in the tube cover and folding the cap tabs. Gift: Ideal for DIY your own unique jewelry make a gift for your family, friend, Christmas, birthday, Mothers Day and other holiday decorations.