What's The Difference Between An Ordinary Costume And A Truly Killer Costume Look? The Devil Is In The Details, And Kreepsville's Horror Hair Horns In Bold Black Are The Perfect Way To Add That Extra Touch Of Evil To Your Look. Made From Sturdy Resin Plastic, They're Light Enough To Stay In Place All Night, But Still Make A Big Impact! They're The Perfect Accessory For Any Devilish Ensemble. Size Approx 1.3" Inches (3.5cm) High And 1" (2.5cm) At The Base.