A ceramic-impregnated shelf paper that provides excellent separation between glass and kiln shelf. Creates less binder burnout odor, and produces a finish on the shelf side of your project. Is a favorite among warm glass artists. Use thin shelf paper instead of shelf wash for an finish on the back of your fused piece. Prevents glass from sticking to the base of the microwave kiln. One time use. For a ly smooth bottom on your glass, should be used with a piece of thinfire paper between the fibre paper and your glass. Used on the bottom of the kiln to protect the base. Works great in Microwave Kilns. Colour: white Material: Ceramic fiber Size: about 70 * 70mm Thickness: . 1mm Package Contents: 250 x Fiber Paper. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.