You just need to wash it with your hands or dishwashers. 【Splashproof and Leakproof】It adopt the straw opening design, and the straw mouth is designed with silicone sealing to ensure good air tightness and prevent spills or leaks.
eBay
1pc Leak-proof Lid For 40oz Tumbler Cup, Spill Proof Tumbler Covers, Replacement Cover For Stanley Cup Accessory
Aliexpress UK
Type: Straws. Applicable to: for Stanley 40oz/30oz/20oz. Color:10Color for You Choose.
eBay
1pc Leak-proof Lid For 40oz Tumbler Cup, Spill Proof Tumbler Covers, Replacement Cover For Stanley Cup Accessory
Aliexpress UK
The cup body and lid fit closely, and the lid is creatively designed for better leakage resistance. Product material: plastic. Unique appearance design, good sealing and leak-proof performance.
eBay
Bottle Handle Sleeve Silicone Drawstring Ring Portable Water Cup Strap Sling Rope Sleeve DIY Cup Tumbler Accessories For Stanley
Aliexpress UK
Stanley Cup Accessory Set: 7-Piece Bundle Including Straw Cover, Silicone Boot, Hand Strap. Product include s : 1pcs 10mm silicone straw cover, 1pcs handle strap, 1pcs heart-shaped hook, 1pcs pompom ball, 1pcs dasiy key-chain, and 1pcs bottle boot.
eBay
Silicone Spill Proof Stopper Set of 3 Compatible for Stanley Cup 2.0 1.0 40oz/ 30oz Tumbler Water Cup Anti Leakage Accessories
Aliexpress UK
Beautiful pink Stanley cup 40oz! Great pressie or for yourself! Brand new with box! .. Please feel free to check out my other items too! I will throw in some freebies too! Thank you! .. Posting will be next day after purchase no long wait!
eBay
1pc Rhinestone Heart Charm For Stanley Cup, Stylish Decorative Pendant For Tumbler With Handle, Cup Accessories
Aliexpress UK
I’ve only used this once, so it is like new
eBay
SW 7.5CM Cartoon Animal Bow Silicone Cup Bottom Cover For Stanley 40oz Tumbler Protective Water Bottle Sleeve Anti-slip Cup Boot
Aliexpress UK
Compatible Models: 40oz. Durable Silicone Material: Crafted from high-quality silicone, this diamond bling silicone boot is resistant to wear and tear, protecting against scratches and prolonging the life and appearance of your beverage containers.
eBay
SW 7.5CM Silicone Cup Boot Sleeve For Stanley 40oz Tumbler Silicone Cup Bottom Cover For Ice Flow 30/20oz Water Bottle Covers
Aliexpress UK
Product category: Insulated Cup. Inner tank material :304 stainless steel. Shell material :304 stainless steel. Style: Modern and simple. Style: Large capacity. Color: Bay Oak 1.18L. Color: Sand Dune color 1.18L.
eBay
Summer Ice Mould Cube Trays Ice Making Beverage Cup Maker Circle Ice Shape Silicone Molds For Stanley Cup ST Accessories
Aliexpress UK