Avon Eyebrow Stencil Set - Set of 4 different plastic stencils to make shaping your eyebrows a breeze. Place over eyebrow and fill in any gaps with Glimmerstick Brow Definer or Perfect Eyebrow Kit. Can be kept in PVC pouch. step 1: Choose a stencil and hold over the brow. step 2: Use the powder from the Perfect Eyebrow Kit, or a Glimmerstick Brow Definer, fill in any gaps. step 3: Smooth wax from the Perfect Eyebrow Kit over brows to set.