This is a 5mm or 6mm thick after-market non-skid kit for a Native Watercraft Redfish 12 kayak. Made from SeaDek's comfortable yet durable PE/EVA blended material. It features thermoformed embossing or a brushed finish for exceptional wet/dry traction, bevelled edges for a finished look and feel as well as our marine grade peel and stick adhesive for a quick and simple installation.