Set of 4 Double Wall Frosty Freezer Cold Mugs - 16-oz. White Color Bedding & Bath Four levels of dimmer feature

Four levels of dimmer feature and five levels of night lights allow you to adjust brightness as comfortable as you like

You can easiliy do clean by changing vacuum cleaner brushes

Stack one or more screens together gives your coffee espresso more refined taste

Attachments are BPA free and dishwasher safe

Set of 4 Double Wall Frosty Freezer Cold Mugs - 16-oz. White Color Bedding & Bath Four levels of dimmer featureThese set of 4 piece Ice Cold Mugs are shatter resistant and have special double walls filled with a fast freezing, non toxic liquid. They can be frozen again and again. Put them in the freezer for 2 to 4 hours, remove and pour your favorite beverage. It will stay ice cold for hours without being watered down with ice cubes. Comes with 4 pieces as one set. On sale now through Sept 30.