1. Specifications: length 2.5 x width 2.5 x height 6.4cm 2. Material quality: stainless steel + food grade silicone 3. Net weight: 11g 4. Uses: Suitable for preservation and preservation of red wine champagne after opening 5. Food grade silicone, non-toxic and odorless, safe and reliable to use 6. Silicone material, good sealing, not easy to leak