Freezer Mug - Double Wall -16oz. (Black Handle w/Amber color gel) This 16oz Freezer Mug is great for daily use! Eliminate the need for ice and keep your drink nice & cold without it getting diluted/watered down from regular ice cubes. BPA Free acrylic gel mugs are insulated with a double wall construction, filled with freezable Non Toxic "crackle gel". Simply place mug upside down in the Freezer for 1-2 Hours for gel to freeze before use. Hand wash only. Not recommended for Diswhasher or Microwave use.