MATERIAL: The horns are printed with PLA and attaches to a personal headset or headband with 4.5" hook loop fastener (if longer is needed we can customize to your request) LIGHTWEIGHT: Coming in at less than 0.3 ounces ( ~8.5 g) per horn, you will barely notice you are wearing them SIZE: The base of the horn is 1.2" X 0.8" (3x2 cm) and the tallest measurement of the horn is 2.25" (5.7 cm diagonally from the base to tip) All of the horns are modeled and printed in our home. This listing is for a pair (2) of horns. Since these are 3D-printed, they are insanely light! These are an awesome addition to any gamers or streamers setup!