Brighten your beading supplies with these bicone beads! Glass beads are must-have supplies for any serious crafter, and with these you can make stunning, shimmering DIY necklaces, bracelets, earrings and more. Sparkle all day and all night - you'll create accessories that go with any ensemble with this huge assortment! Glass. (200 pcs. per unit) 4mm with a 1mm hole.