The higher you are off the water, the further you can see down into it. This durable, slip-resistant SeaDek, made from 6mm EVA foam, provides excellent traction and extreme comfort when using your YETI as a standing or casting platform. SeaDek attaches permanently with a pressure sensitive backing. Custom fit for all YETI Tundra models up to 155 quarts. *Call us at 614-451-0363 for those not listed here...we'll be happy to help.