The RSVP Endurance Glass Spice Shaker offers a number of features for you to shake out spices more easily and accurately. An adjustable stainless steel lid features different sized holes - perfect for shaking out large spices like chili flakes, or powdered spices. Each jar is made of thick glass sealed in a stainless steel jacket for style and durability. A window allows you to see how much spice is left. These shakers are great for use while cooking or around the dinner table.