Hard acrylic-like plastic. Thick as glass. This light-up beer mug has 5 super bright white LED lights. A flashing blinking light-up beer mug is perfect for your wild party or a nightclub Push button activated light actions: Spinning, Blinking and Stays-On. Replaceable batteries. Made in USA

Hard acrylic-like plastic. Thick as glass. A great classic beer mug with light up flashing LED on the bottom. Beer mug lights up and flashes, using a switch on the bottom.

Hard acrylic-like plastic. Thick as glass. 12 oz capacity Lights up and blinks using a switch on the bottom Batteries built in 5.325 inches tall

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass. Light-up blinking party mug. The flashing LED is controlled by a switch on the bottom. Item is 5" tall Hard acrylic plastic

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass.

Hard acrylic-like plastic. Thick as glass. Great Oktoberfest Stein. LED flasher is controlled by a switch on the bottom