Helps grow prize-winning tomatoes by reflecting a precise spectrum of health-promoting light rays on the undersides of plants. Scientifically proven to increase tomato harvests by 20% in comparison to dark colored films. Better Reds reduces water run-off, keeps the soil cool in the summer and traps moisture and heat towards the end of the season so you can extend your harvest. Use it around your garden to grow strawberries, melons, red peppers, and other crops that fruit above ground. The red film has a ground mulching effect that stimulates early plant growth.