4Pcs Water Cup Replacement Silicone Stoppers Water Bottles Top Lid Gasket Leakproof Caps Mouth Plug Gaskets for 20-40Oz

Features: Make from silicone, our bottle seal stoppers is designs to bear frequent use while maintaining their integrity.
Engineered with precisions, these replacement stoppers offer effective barrier that locking in liquids and prevents leaks.
The caps mouth plug gaskets is incredibly easy to use, with design that allows for quick insertion and removal easily.
Ensuring a simple and straightforward installation process that doesn't require any tool, so you can get back to drinking water in none time.
Suitable for steels water bottles (20-40oz), our bottle stoppers ensuring a comfortable suitable for these models.

Specifications: Component: Silicone
Color: Black/Wine Red/Gray/Blue/Deeply 02/White/Deeply Gray/01
Size: about 3.7x4.3cm/1.4x1.6inch

Package Includes: 4Pcs Silicone stoppers Gasket

note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.