Tiny, tiny, glass tube. 4mm wide, 40mm long, inside - 1.5. Comes with glue-in loop. Fill with tiny beads, sparkle dust, ashes, or a wish, written on thin paper, rolled and slid inside. Very dainty. Sealed end is rounded. Size is such that you can drop 15/0s into it, give it a little shake, and they will line up.

Lead-free. Nickel-free. 4mm x 40mm Inside diameter (ID) is 1.5 mm. By the each.