The Riverside® SUP Stacker Block is engineered for serious paddleboarders who demand reliable storage solutions. This extra-wide, low-profile design distributes weight evenly across your boards, preventing warping and damage during extended storage periods. The blocks feature a generous contact surface that accommodates various board widths and thicknesses, making them compatible with most SUP styles and sizes. Their compact footprint allows for efficient stacking without consuming excessive space, while the durable construction withstands outdoor conditions and heavy use. Sold as a pair, these blocks provide the foundation for a stable, organized storage system that protects your investment and keeps your boards in optimal condition season after season.