Box of 5 - 250 pre-cut, ready-to-use strips total 3-1/2” L x 7/8” W - 21 microns Features: • Universal Articulating Film 21 micron thickness, use for all applications • Distinctively Marks Tooth structure, composites,and all restorative materials. • Better markings than paper when working with Zirconia, Lithium disilicate and Cad Cam materials. • Tear resistant unlike articulating paper and can be used in a wet or dry environment • Thinner material for more distinct and accurate markings.