About Springstar SpringStar provides effective, non-toxic, and environmentally safe pest control products for your home and garden needs. In response to the need for simple and useful pest products that do not contain poison, products are added every year. Every SpringStar product is designed to be eco-friendly by acting as an efficient substitute for harmful pesticides. Attracts house flies, garbage flies, and blow flies. Uses an attractive mixture of natural ingredients to draw flies. Includes 4 traps per card. Dimensions: 4L x 0.75W x 5.5H in.. Dimensions: 4L x 0.75W x 5.5H in..