Outdoor Wine Glass Holder by Bella D'Vine for Stemmed Wine Glasses, Comes with a Strap Base for Chairs and Railing, Fun Wine Gift in Graphite Grey MAKES THE PERFECT GIFT: Bella D'Vine is a one of a kind wine glass holder and is the essential wine accessory for every wine lover that has everything VERSATILE & UNIQUE: Now you can finally enjoy eating, reading, or concert viewing without the need to hold the wine glass in your lap or set on the ground. Lots of fun conversations about where you got it ADJUSTABLE STRAP: The strap attachment is your concert chairs best friend and will adjust to many sizes of chairs and even deck railing PATENTED TECHNOLOGY: 2 unique prongs inside help gently secure your stemware like magic to prevent accidental spills and broken glasses. Watch the video to see it in action QUALITY GUARANTEED: Made with high quality injection molded ABS materials for many years of use. Made in USA Patio chairs Camping Deck rails Boat rails