The Wooden Mallet Dakota 16 Bottle Stacking Wine Bottle Holder is made of sturdy, eco-friendly oak, smooth rounded edges to protect lables, four colors, is versatile, elegant, and easily assembled. Create a countertop display, a floor display or design a custom cellar. The innovative design allows you to easily expand your shelving as your needs change. The racking will hold most standard 750ml bottles - Bordeaux, Burgundy, and most Champagne style wine bottles. Made in the USA. All Wooden Mallet products are warranted for one year against defects in materials and workmanship.