This is an individual listing. Mix and match with other listing that say 5for$10 to get the bundle offer price of $10 Straw Cover Spill Stopper Set Compatible with Stanley Cup 40 oz 30 oz Quencher H1.0, 4 Silicone Straw Cover Cap, 4 Square Spill Stopper and 4 Round Leak Stopper for Stanley Tumbler Accessories High-Quality Material: Tumbler accessories made of food grade and stretchy silicone, BPA free, soft, flexible, odorless, reusable and durable. Dishwasher safe. Silicone Straw Covers: The straw cover cap can prevents the straw from being contaminated by dust and spittle in the air, and prevents water from spilling out of the straw. Keep your drinking ice or hot and your healthy. Spill Stopper: Square Stopper installed in the straw hole of the lid, it not only forms a seal, but also holder the straw. Round leak stopper can spill proof and prevent gas loss and maintain your cold or hot drinks for a longer period of time.