It is usually 8 mm thick, so it’s similar to an engineered hardwood or laminate flooring. Vinyl plank flooring is constructed in layers. The top layer is vinyl, the middle is a high density core board and usually there is an attached back underlayment (e.g. cork) for more cushioning. Like laminate, these floors are clickable so they are easy to install.
Vinyl plank flooring similar in form and look to an engineered hardwood and laminate flooring, but it’s much more versatile and resilient. The biggest difference is that vinyl plank flooring is waterproof.