Silicone Straw Cover Caps for Stanley Cup | 10mm Straw Toppers for 40oz & 30oz Tumbler

Keep Your Straw Clean, Anywhere You Go

Meet your new tumbler essential — silicone straw cover caps designed to fit 10mm straws perfectly. Whether you're at the gym, commuting, or camping, these cute and practical toppers keep your straw hygienic and dust-free all day long.

What's Included

• Available in 7-piece color sets, single-color packs, and 21-piece value sets
• Fits 10mm (0.4 inch) diameter straws — standard size for Stanley 40oz & 30oz tumblers
• Multiple color options: Multicolor, Pink, Purple, Off White, Coral Blue, Purple Blue, Brown, Green, Black, White, Black/White, and more

Why You'll Love Them

• ✔ Perfect Fit — Snug 10mm opening fits Stanley Quencher straws and most standard tumbler straws
• ✔ Food-Grade Silicone — BPA-free, soft, and safe for everyday use
• ✔ Keeps Straws Hygienic — Blocks dust, dirt, and germs when you're on the move
• ✔ Cute & Colorful — Fun colors to match your tumbler style or mood
• ✔ Reusable & Easy to Clean — Simply rinse and reuse; dishwasher safe

Compatible With

Stanley Quencher 40oz · Stanley 30oz Tumbler · Most 10mm reusable straws · Hydro Flask · Simple Modern · YETI & other standard tumbler straws

Small accessory, big difference — because clean sips matter.