Berger RTMINI Clear Snow Guards are manufactured in a high clarity polycarbonate plastic with U.V. stabilizers which provides longevity and strength. They have a low visibility and blend with roof materials. They can be attached with adhesives, screws or VHB Tapes. The RTMINI features a blade "Snowflake" slot that accepts a metal color chip or custom emblem. The RTMINI has a wide base to fit parapet ribbed roof channels. They are manufactured with a holding area, a 2:1 base to blade ratio and a gusseted blade snow pocket that combine to effectively retain snow.