Learn how you can make a difference and preserve our planet's finite resources with this informative Pocket Slider. Includes tips on conserving water, transportation alternatives and how to use less energy. Also discusses the benefits of recycling. Interactive Slide Chart. USA Made. Size: 3-3/4" x 8-1/2" fits in #10 envelope. Operates like a slide rule! Just match up the bullet point and view info and tips in cutout window.