Clear Plastic Seed Bead Tubes with Caps 25 Pack - 5-inch, 16x125mm 25 Round Tubes with caps Measures 16x125mm x 5". Holds approx 23gm Seed Beads. Ideal for use in the BeadSmith Bead Tube Tower Transparent plastic with secure snug-fitting lids Excellent for storing & organizing seed beads and small parts.