The Mat Coupler Kit Loops ensure your sleeping pad stays connected to your partner's. A slim design means they'll fit inside your sleeping pad's stuff sack easily, so you'll have no more issues negotiating the gap between pads when you're snuggling with your tent buddy. Secures Sea to Summit sleeping pads together. Low Profile but sturdy design stays flat so you won't even notice it's there. Each strap is 108" / 275cm long. Allowing for 2" / 5cm to be threaded through the buckle, this equates to two loops 26.5" / 67cm next to one another Large enough to fit two of our Large mats up to 3" thick (Comfort Deluxe will not fit)