2mm hole size. The beads are 33mm or 1.25 inch long. Large enough for beading wire only.
5mm hole size. The beads are 25mm or 1 inch long. Chopstick sized hole.
7mm hole size. The beads are 19mm or .75 inch long. Pencil sized hole. The most popular size for your dreads. Yes, they are washable.
Custom hole-sizes are available up to 14mm or .50 inch in diameter. Anything wider is constructed differently and involves a higher price point. Please see jumbo fiber rings and scarf slides in my other fun shop, Softjewelry at http://www.etsy.com/shop/SoftJewelry
The colors that you see in the photo are representative of the dye lot. The beads that you receive will be a variation of this color scheme. IF you want to see the exact set I will be mailing to you, please contact me and I will be happy to send a photo for you approval.
The fiber in this bead set is nylon with all kinds of sparkle woven in which is hard to see in the photo. The beads are soft, soft, soft. A40