Product features: -Shape-memory polymers (SMPs): smart materials that have the ability to return from a deformed state (temporary shape) to their original (permanent) shape when induced by an external stimulus (trigger), such as temperature change. -Bendable. -Flexible. -Unbreakable. -High color stability. -Autoclavable 121° -Only 3 pcs has 9 different functional uses 1- MF 001 contraster (3in1): -Matt surface for documentation. -Glossy surface for artistic and marketing perspective. -Buccolingual contraster in other side. -Use for: adult occlusal for large arches (size 3 tray). -Use for: Used for contrasting lingual and buccal aspects. 2- MF 002 contraster (3in1): -Matt surface for documentation. -Glossy surface for artistic and marketing perspective. -Buccolingual contraster in other side. -Use for: adult occlusal for small arches (size 1&2 trays). -Use for: Used for contrasting lingual and buccal aspects 3- MF 003 contraster (3in1): -3 sizes curved surface for labial contrast -One size for Pedo. -One size for small arches (size 1&2 trays) -One size for large arches (size 3 trays) -Frenum notch in each one. -Glossy surface for artistic and marketing perspective. -Matt surface for documentation perspective. **For further product information , please contact Chat support**