This durable Ethafoam block is the perfect lightweight solution for your custom paddling projects, outrigger floats, or DIY watercraft accessories. Measuring a solid 8 inches by 8 inches with a 4-inch thickness, this high-density foam block comes pre-drilled with a precision-cut hole designed to securely hold a standard 2-liter bottle.

Ethafoam is renowned for its closed-cell structure, making it waterproof, buoyant, and resistant to water absorption—ideal for use in marine environments. Whether you’re constructing a custom paddle float for safety drills, building outrigger floats for added stability, or working on a creative workshop project, this block provides the stability and flotation you need.

The pre-cut hole accommodates a standard 2-liter bottle snugly, allowing for quick assembly and reliable performance on the water. Lightweight yet rigid, this ethafoam block is easy to cut, shape, or sand to meet your exact specifications.