Claret Regal Stelvin and Burgundy Inspiration Stelvin are 750 ml bottles with Stelvin® closure, which preserves freshness, quality, and fragrance of wine by preventing unwanted, excess oxygen from seeping into bottle. In addition to helping keep product pristine by providing tight seal, closure also facilitates opening. Claret Regal Stelvin is available in Antique Green, while Burgundy Inspiration Stelvin is available in Flint and Champagne Green.