420 Science Medium Wide Mouth - Cosmic SkullWe're awesome, but we're not perfect. This jar is proof of that. It used to be our XL Pop Top, but fans weren't happy with the seal. And you know what? Neither were we. So we went back to the lab and came up with double wall protection to ensure maximum freshness. We learn from our mistakes. Just like Einstein. Specs: Machine Blown Glass Permanent Glass Decals Airtight Silicone Lid Holds: 1. 5 oz (42. 0 g) 24 fl oz (710 ml) Height: 4. 75 in (12. 1 cm)