Useful little beads that you can use as spaces between words. They fit perfectly with the 7mm alphabet beads: Click here.

Dimensions: 7 mm × 7 mm × 3 mm; Hole size: Approx. 1.3 mm diameter

You get 300 pieces with each order. 

The 7mm alphabet beads that work with these: https://www.delishbeads.com/collections/beads/products/7mm-little-round-black-white-alphabet-acrylic-or-resin-beads