Rockin Beads Brand, 300 Mixed Black on White Acrylic Alphabet /Letter "A-z" Cube Spacer Beads 7mm Approx 1/4 Inch Sold Per Pack of 300 Alphabet /Letter "A-z" 300 Mixed letters 7mm cube 3.7mm hole Acrylic Alphabet Spacer Beads Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card