The Navy PFPS Keep Cup features borosilicate glass that can withstand extreme changes in temperature, paired with our food-grade silicone lid and band, which creates an insulating shield that is soft and a pleasure to hold.

They are absolutely dishwasher & microwave safe, and above all, help to save our planet by reducing the amount of waste that is generated from disposable coffee cups.

FEATURES
  • 12oz (354ml) Cup Capacity
  • Borosilicate Hand Blown Glass
  • Food Grade Silicone Lid & Band