This Beer Words 4-pack holder is truly unique. The outside wall is laser-crafted out of one piece of wood, using a technique that allows the wood to bend around the inner skeleton. Holds 16.9oz (500 ml) & 22oz (650 ml) bottles. SOME 750ml and SOME Wine bottles. Customizations are available! Please email info@Chuddywinks.com for a quote. All of our wooden items have natural variations in grain and color making each piece one of a kind.