Product Features Yukon Branded Ping Pong Ball Included 20-ounce capacity Double wall, copper plate, vacuum insulated - provides maximum temperature retention of both hot and cold beverages (up to 6 hours hot and 24 hours cold) High-grade 18/8 (304) stainless steel - highly durable and corrosion-resistant Dura-grip powder coat finish - our proprietary finish is both ultra-durable and provides a textured surface for you to grip Non-slip bottom pad and cup holder friendly Sweat free exterior and UV tint slider lid BPA free product