Black color. Two different degrees of hardness in a thermomolding sheet through the integrated reinforcement in the sensitive area of the anterior teeth. Strong and low-impact blows typical of contact sports are absorbed. The V-shaped design of the harder insert (Shore A: 92) allows for variable width of protection for the anterior teeth. The kits contain 1 BIOPLAST® XTREME sheet (5.0 × 125 mm), 1 packet of 15 g of CETRON® cleaner, 1 BIOPLAST® insulating liquid, and a retaining box. For MINISTAR® from 4/92 and BIOSTAR® from 4/99 only.