We offer two different grommet replacement systems: A single grommet and bungee system for the 1.25" thick WaterMat EX and Roll 'N Go models and a double grommet and bungee system for the 2" thick EX Plus, Plus, and Shark models. Both WaterMat grommet and bungee replacement systems for your WaterMat floatable help you safely secure, anchor or stabilize your WaterMat. All WaterMat floatable products come with a grommet and bungee for tethering, and this is a replacement kit for that original system. Please order for your product's specific thickness Associated photo is of dual grommet system. Only one grommet and bungee length is included in the single grommet system. This Single Grommet System Includes: (1) Strong elastic bungee ropes. (1) Durable metal clips for anchoring. (1) Smooth plastic grommet ring connectors for 1.25" thick WaterMat models.