TRANSFORM YOUR JAR into the perfect environment for growing sprouts with this set of 2 sprouter lids! Grow a variety of sprouts in your kitchen year round by reusing your mason jar and turning it into a mini greenhouse. FOOD SAFE: Made of sturdy stainless steel and nylon that is safe for your seeds and your food. No matter the seed the sprout starter mason jar accessory is the ideal match to get your garden going! EASY FOR EVERYONE: First place your seeds in the jar. Then attach the mesh lid and middle ring. Fill the jar with water and then pour the water out. Next screw the base onto the lid and turn the jar upside down. Lastly, for daily 7-14 days (until the seeds have fully sprouted) unscrew the based, fill the jar with water, empty the water, and then put the base back on to keep the seeds hydrated. FITS WIDE-MOUTH canning jars, recommended jar size: 16 oz. Fits wide mouth Ball, Kerr, Kilner, and Anchor Hocking 16 ounce mason jars (Jar not included). CARE AND MEASURMENTS: Dishwasher safe. Set of 2. Measures 3.66” x 3.66” x 12.6”