Sturdy, so they won't flex and drop your work as your move it
Can withstand heat of up to 500F
Made in USA
These are the authentic, original, indestructible Tuff Cards designed by Cool Tools. Tuff Cards are super thick Teflon cards used to create, assemble and dry metal clay projects. They are thicker than a standard playing card, but the same handy size, Tuff Cards are super sturdy and won't dump your work as you move it to your metal clay dryer, dehydrator and even to the oven. Tuff Cards are smooth with no texture and can withstand heat of up to 500F. Set of 3 cards. Each is 2-1/2" x 3-1/2".