Buffalo Dental 62771 EVA Mouth guard Material Sheet, 5" Width, 5" Length, 0.160" Thickness, Blue, Pack of 12. Buffalo Dental 62771 EVA Mouth guard Material Sheet, 5" Width, 5" Length, 0.160" Thickness, Blue, Pack of 12. Thick resilient 5" X 5" EVA Colored Mouth guard Sheets, Excellent Protection for All Sports.. This material is used for athletic mouth guards. Latex free. Blue.0.160" Thickness. 5" Length. .. This material is used for athletic mouth guards. Latex free. Blue.0.160" Thickness. 5" Length. .