These 1.25-inch marine-grade rubber plugs feature an innovative multilayered coil design and easy-pull rings for secure, leak-proof sealing in boats, canoes, and live-well systems. The 6-pack provides versatile solutions for various watercraft drainage needs. 1.Leak-proof Multilayered Design 2.Instant Installation 3.Marine-Grade Rubber Construction 4.Smart Size Adaptation 5.Universal Drain Hole Fit