Splint Material .040 1mm Pack /25 This stiff clear material is ideal for hard splints, thin splints, surgical trays, orthodontic retainers and bleaching trays. The material sticks to acrylics for various dental appliances. The versatile splint material will surely be used in any lab or office. Features: - Clear material - Available in 5" x 5" (127 x 127mm) sheets For hard splints, thin splints, surgical trays, orthodontic retainers and bleaching trays. Packages of 25 units. THIS MATERIAL HAS PROPERTIES SIMILAR TO ACRYLIC TO WITHSTAND THE TREMENDOUS PRESSURES THAT BRUXERS GENERATE . THIS IS AN EXCELLENT MATERIAL FOR MAKING NIGHT SPLINTS