UST Peg Mallet GLO Glow. It's heavy-duty high-impact plastic construction is great for setting up camp in the dark. It glows in the dark after exposure to sunlight or other light sources. Specifications for UST Peg Mallet GLO: Manufacturer: UST Additional Features: Glows in the dark Fabric/Material: High-Impact Plastic Color: Glow Weight: 7.4 oz Package Contents: UST Peg Mallet GLO Designed to easily strike and pull stubborn steel or plastic tent pegs.