The outer panel of the sandwich structure material of the yacht is often made of fiberglass, which is a composite material made of glass fiber as a reinforcing material and resin; The core materials of sandwich structure materials are often BALTEK light wood and AIREX foam sandwich structure materials.

Yachts mainly include wooden boats, fiberglass boats, Kevlar fiber-reinforced composite boats, aluminum boats and steel boats. At present, fiberglass boats account for a large proportion, and more Kevlar reinforcement materials are used in racing boats, sailing boats and luxury boats; Aluminum boats account for a certain proportion of outboard engine boats and large luxury yachts; Steel boats account for a large proportion of ocean-going luxury yachts above 35 meters.