5 PCS Glass Bottle Stopper Stainless Steel Oil Stopper Silicone Stopper White Hat Automatic Cap

1. Material: stainless steel + silicone
2. Weight: 50 grams
3. Size: 9.3x2.6cm (suitable for about 2 cm bottle mouth)
4. Function: Generally used to keep fresh drinks and prevent leakage.
5. Sealing ring rubber material, easy to clean and not easy to leak water.
6. Dust cap design, strong sealing