You’ll want one of these Pop-Ins mugs at the office - and several at home. The mug is oven safe, and can be used with its vented lid, specifically designed for the microwave. The lid allows steam to escape, keeping your microwave clean and you safe from steam burns.

• Glass and plastic lids make cooking, serving, and storing easy and convenient
• Durable stoneware material designed for use in oven, microwave, refrigerator, and freezer
• Corningware material resists chipping and cracking
• Non-porous surface does not absorb food odors, flavors, or stains
• 20-Ounce mug weighs 1 pound upon shipping; a 1-Year warranty is available for this product

Glass and plastic lids make cooking, serving, and storing easy and convenientCorningWare