Fibreglass
What most slides are made of: glass threads mixed with a kind of plastic glue. Light, strong and smooth.What most slides are made of: glass threads mixed with a kind of plastic glue. Light, strong and smooth.
What most slides are made of: glass threads mixed with a kind of plastic glue. Light, strong and smooth.What most slides are made of: glass threads mixed with a kind of plastic glue. Light, strong and smooth.