One 10 gm TUBE. GRAY LINED RAINBOW CRYSTAL color 261, 3mm cubes. Toho Cubes feature a diamond shaped hole in the top quality 3mm beads. The hole allows for the beads to sit correctly in beading patterns.. Each tube features a friction cap with a hangable loop. Tubes contain approximately 10 grams of beads (bead weight indicated does not include the weight of the tube). Image to demonstrate color, you will receive this color in the cube shape.