Store Supplies Shelf Channel Rail Label Holders and Protective Strips - We carry a variety of shelf channel products for all purposes, including Shelf Channel Rails for advertising and pricing directly in front of the shelf. Use shelf channel label covers to protect channel rail cards. Shelf channel label covers can be used for individual protection Price Channels Strips adhere to shelving with peel-and-stick permanent foam tape or clip in. They create a channel for inserting price tags and feature strips