Black color. Designed for professional athletes at risk of experiencing strong and minor impact blows. Features an additional hard and elastic intermediate layer as integrated reinforcement for the anterior teeth. The kits contain 1 BIOPLAST® XTREME sheet (4.0 × 125 mm), 1 transparent BIOPLAST® sheet (2 mm), 1 DURAN® sheet (0.75 mm), 1 packet of 15 g of CETRON® cleaner, 1 BIOPLAST® insulating liquid, and a retaining box. For use only with MINISTAR® from 4/92 and BIOSTAR® from 4/99.