Wine anytime with our best selling Say What? silicone wine cups. These colorful and witty stemless wine glasses are portable and lightweight, easy to take wherever you go and a great, unbreakable alternative to traditional glass. Perfect for the pool, beach, BBQ, lake, park, picnics, camping or any weekend trip. Simply fold the cup and put it in your pocket or toss it in your bag. These flexible wine glasses are made with 100% food-grade silicone that is stain resistant and dishwasher safe. Silicone wine glasses are a fun and functional addition to any home bar and make perfect gifts for friends, family or coworkers! BPA, PVC and phthalate-free. FDA Approved. California Prop 65 Certified.