• 8-piece accessory set compatible with Stanley Quencher Adventure 1.0 and 2.0 tumblers, 30oz (850 ml) and 40oz (1.2L) • Includes 2 light purple straw covers and 6 silicone stoppers • Hexagonal stoppers designed to prevent water leaks and keep dirt out • Two decorative straw covers to beautify and protect the straw (not leak-proof) • High-quality material: safe silicone, soft, elastic, durable, and reusable, with high heat resistance and good sealing properties • Easy to clean and dishwasher safe • The square stopper holds the straw firmly and seals the gap, while the round stopper improves sealing • Small size and easy to carry, ideal for daily use and as a replacement • Allows you to keep the straw and tumbler clean, making it easy to drink clean water anytime and anywhere