Amaonm 500pcs Mixed black Colorful DIY Square Acrylic Plastic Letter/Alphabet Letter"A-z" Cube Beads Size 6x6mm or 1/5" for Bracelets Kids Learn toy Games Key Chains and Children Jewelry Size:6mmx6mm(1/4"),Hole size: 3.4mm(1/8") Made of Acrylic plastic Alphabet /Letter "A-z" 500 Mixed White Acrylic Can be threaded onto a pipe cleaner with small diameter Great gift for kids