Genius Ideas GI-031131: Set Of 2 Freshness Caps 

For fizzy-fresh drinks, even after hours!

No more stale soda and bland water –  this ingenious bottle cap keeps the carbon dioxide extra long fresh and ensures sparkling drinks as shortly after opening! The freshness cap fits all common bottle
Bottle sizes and is also equipped with a practical date regulator (from 1 to 31).
Item dimensions: 4.5 x 4.5 x 4.4 cm.

Weight: 19g net 1 piece.