The Sprouting Lids is made of grade 316 stainless steel, which eliminates any of rusting, and will not deform and emit odor even if it is boiled and . Only the most authentic of bean sprouts is left. Grow Seeds And Beans - Broccoli, alfalfa, wheatgrass, mung beans, and many other and sprouts are possible to grow with sprouting kit Easy Healthy Food - Just add seeds and water and you'll have everything you need to grow sprouts and microgreens Easy To Use & Reusable- screens are band-free for easy cleaning and food safety. The rings and screens separate for quick cleaning and It can be boiled and after each use and are fully dishwasher safe. color:Silver Material:Stainless steel size:8.6 x 8.6 x 1.6cm Package Contents: 5 x 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.