Fully transparent boat, transparent kayak, what material is it made of?

PC board, also known as polycarbonate board.

It is an engineering plastic with excellent comprehensive properties, with outstanding physical, mechanical, electrical and thermal properties, and is called "the king of transparent plastics". The PC board made of it can be divided into hollow board series (also known as Capron, which can not break glass) and solid board series (also known as durable board and transparent steel plate), all of which have the advantages of light transmission, ultraviolet protection, flame retardant and weather resistance. They are widely used in public and civil buildings, such as lighting and rain shelters, passage ceilings, overhead sound insulation walls, shopping mall roofs and plant greenhouses, and are the most ideal light shed materials in the world at present.