ZERO TO BROW STENCILS FOR SKINNY BROWS. Benefits: Calling all Brow lovers! This brow stencil is the missing piece in your brow routine!. With 2 different thickness options, and 4 different styles per stencil pack, there is a shape for every look!. Made of flexible plastic, these stencils effortlessly lay flat on your brow for easy use whether you're a beginner or pro.. Keep it simple with your standard shape, or test the waters with a new look to match your vibe.. Simply choose your shape, fill, and go!. : :