The BEDSLIDE BEDBIN Side Kix add an additional 7X44 Inch bin to each side of any BEDSLIDE with a GUARDRAIL or TRAXRAIL kit. The side BEDBINS sit taller than the GUARDRAILS and over the wheel wells Maximizing the use of space in your truck Bed. Made in the USA with high quality products, Aluminum, composite, and all weather soft surface in the bin. Side Kix BEDBINS double as a higher side wall for those who need added containment. Make the most of your truck Bed space with BEDBINS.