UNIVERSAL SIZE - The sprouting lids for wide mouth mason jars fit all sprouting jars with a cup diameter of 3.39 inches (86mm). The mesh cover can be used to grow a of sprouts, such as organic , broccoli, alfalfa, mung beans, soybeans, radish sprouts, microgreens, etc. FOOD GRADE PLASTIC - The screen cover for sprouting is made of high quality plastic. Sprout vegetables and fruits with safe, food-grade, rust-resistant materials to provide healthier food . The sprouting cover can be disassembled into two parts. The material is easy to clean, and there is no worry about cleaning EFFICIENT AND PRACTICAL - Standing on the mason jar sprouting lid stabilizes the sprouting jar upside down. Leave enough space between the cover and the ground for good air circulation. Slender drainage net improves rinsing, draining and dripping efficiency How to use - First, soak the seeds in water overnight. day, pour off the water and invert the jar. For few days, rinse the germinated seeds two to four times a day and continue to invert the jars. Repeat rinsing and drying and you will have sprouts in a few days From Seed to Harvest - Make the most of your spare empty jars , put on the sprout lids, and grow the sprouts you need! It's a great gift for family and friends. Germination operation is very simple. The process of growing your own fresh sprouts is interesting and meaningful Color: Green Material: plastic Package Contents: 6 x Mason Jar Sprout Lids Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.