These fantastic lids from Spice Ratchet make drinking from your mason jar easy and fun. The cap creates a tight-seal and is easy to open. All you have to do is put a straw through the cap and firmly push down on the dge of the cap to seal the jar. It is made out of FDA standard silicone and is heat resistant to 482 degrees. uCap is not intended to be used in a pressure cooker.
This cap is made to fit standard sized mason jars. Check out the video below!