4" x 3" Parking Lot Number Stencils Curb Painting - 4 Inch - 60 Mil - (1/16" Thick) Parking Lot Stencils ACTUAL4" Number Height Larger Edge Distances. More Plastic. More Over Spray Protection. More Strength. Re-Usable. Easily Cleaned. Low Density Polyethylene Plastic. ( LDPE ) By Dan Zurcher Author; How I Stripe a Parking Lot, 24 Years, By Myself. Best Small Business Start Up EVER.