Springfield Leather Company 100pack of 3-1/4" Round Shapes Genuine Vegetable Tanned Cowhide Pre-cut Into 3-1/4" Round Shapes Thickness: 8-9 oz (3.2 mm - 3.6mm) or (1/8" - 9/64") Perfect for painting, coasters, tooling practice, camp and school craft aids, Tree ornaments, accent pieces, inlay, overlay, and so much more Awesome for youth education, craft camps, church groups, personal crafting, and resale Veg Tan leather is natural and safe for animals and children