Amazon.com: 8PCS Stanley Cup Accessories Set Including Silicone Straw Amazon.com: 6 Pcs Straw Covers for Stanley Cup 40 20 oz, 0.4 inches HASTHIP Straw Caps for Stanley Cup with Leak Stoppers and Spill Proof Design 12PCS Silicone Set 5Pcs Straw Cover Cap for Stanley Cup Flower Straw Covers Silicone Straw Amazon.com: Stanley Cup Accessories Set Including 6 Pcs Silicone Spill. HASTHIP 12PCS Straw Caps for Stanley Cup are a practical silicone accessory set designed to keep your beverages spill proof and dust free. Made from durable, food grade silicone, these reusable straw covers fit perfectly on 1 cm straws and are ideal for 40 OZ Stanley cups. Their leak stoppers and spill plugs help prevent drips while maintaining a clean drinking experience. These easy to attach and remove caps provide reliable protection for your tumbler at home or on the go. Combining functionality, safety, and convenience, HASTHIP ensures each drinking moment remains hygienic and enjoyable for everyday use. Made from high quality food grade silicone that is non toxic and BPA free for safe long term use. Designed to fit 1 cm straws and compatible with 40 OZ Stanley Cups for versatile convenience. Equipped with leak stoppers and spill plugs to prevent drips and maintain cleanliness. Reusable straw covers are easy to attach, detach, and clean between drink changes. Provides hygiene and spill protection for tumblers, ideal for both travel and daily use.