For scaled drawing of common shapes and enclosures for landscape layouts such as trees and shrubs, fences and flagstones. Made of flexible, durable 0.03" transparent green plastic with a matte finish on one side to reduce glare, it features built-in ink risers for smear-free drawing in pen or pencil. The allowance on all openings is designed for use with .5mm pencil lead or pen point. Scale: 1/4" = 1 ft.