Sip, Sip, Hooray! 18oz. Boards & Bottle Wine Tumblers. Enjoy at parties or on the go! Stackable feature makes it easy to store or bring with you! Shatterproof, sustainable, and BPA free. Made with 50% recycled materials and 100% recyclable. Sold in sets of 4. Handwash. FREE SHIPPING in continental US. Cheers!