Axlksia 8 Pcs Kayak Scupper Plugs Kit, Silicone Universal Kayak Scupper Plug Drain Hole Stopper Bung with Lanyard Review (2026)

Who needs scupper plugs

Sit-on-top kayaks use scupper holes to let water that splashes or pools in the seating area drain back out through the hull, which keeps the boat from swamping but also means a paddler often sits in a puddle on cooler days or in choppy water. Scupper plugs seal those holes when full drainage is not wanted, trading self-bailing safety for a drier seat. This kit is aimed at paddlers who want that trade-off available on demand, since the plugs can be pulled out again whenever conditions call for open drainage. Anyone who owns a sit-on-top kayak with multiple scupper holes and paddles mostly calm water is the target buyer here.

What is in the kit

The kit includes 8 silicone plugs, which is enough to cover every scupper hole on many sit-on-top kayaks that typically have between four and eight drain points depending on the model and whether it is a fishing or recreational layout. Each plug uses a silicone build described as having a top diameter of about 1.5 inches and a bottom diameter of about 0.7 inches, a tapered shape meant to wedge into a range of standard hole sizes rather than one fixed diameter. A lanyard is attached to each plug, which is the standout convenience feature in this kit compared with loose plugs that are easy to lose overboard or misplace in a hatch.

Fit and sealing

Because the plugs use a universal tapered shape rather than a size matched to one specific kayak model, fit can vary depending on how large or irregular a given boat's scupper holes are. Standard round holes in the sizing range the plugs target should seal well, but oversized or unusually shaped scupper holes on some fishing kayaks may not get a fully watertight seal from a universal plug. Paddlers with hulls known for large scuppers should measure their holes against the plug's listed diameters before assuming a tight fit. For typical recreational sit-on-top kayaks, the tapered silicone design is a common and generally reliable approach to scupper sealing.

Living with the lanyards

The attached lanyards solve the most common complaint with loose scupper plugs, which is losing one over the side and ending up with an unsealed hole for the rest of a trip. They let a paddler pull a plug for drainage and let it dangle nearby rather than needing a pocket or hatch to stash it. The trade-off is that lanyard cords can occasionally tangle with fishing line, anchor rope, or other gear stored on deck, so anglers running multiple lines at once should keep an eye on how the cords sit relative to other rigging. For most recreational paddlers this is a minor consideration next to the convenience of not losing plugs.

Value for the price

An 8-plug kit covering most sit-on-top kayaks, built from silicone with lanyards included, is a low-cost way to customize how much water drains through a hull on a given trip. The main limitation is universal sizing rather than a kayak-specific fit, so buyers with nonstandard or oversized scupper holes should check dimensions first rather than assuming automatic compatibility. For anyone with standard-size scupper holes, this kit offers a straightforward, inexpensive upgrade over paddling with open holes or losing loose plugs that lack any kind of tether. Compared with buying single plugs individually, a full 8-piece kit is also better value for anyone outfitting an entire kayak at once rather than replacing one lost plug at a time.

Frequently asked questions