Feature: 1. Made of high quality silicone material, safe and eco friendly, non toxic and firm, not easy to deform or break. 2. 4 different sizes of bowls are available, meet your different use needs. Easy to clean and reusable. 3. Professionally used for mixing dental materials, designed for dental laboratory work, necessary dental accessory. 4. Not only can it be used as a mixing bowl, it is also suitable for holding herbs, pepper, sauce, salt, spices, honey, baking soda, etc. 5. Light weight and in small size, it doesn't occupy much space, easy to store and carry, suitable for professional use. Specification: Condition: 100% Brand New Item Type: Dental Mixing Cup Material: Silicone Quantity: 4pcs Product Size: S: Approx. 3 x 3 x 2.5cm / 1.2 x 1.2 x 1in M: Approx. 3.5 x 3.5 x 4cm / 1.4 x 1.4 x 1.6in L: Approx. 4.5 x 4.5 x 5.5cm / 1.8 x 1.8 x 2.2in XL: Approx. 5.5 x 5.5 x 4.5cm / 2.2 x 2.2 x 1.8in . Package List: 4 x Mixing Cup Note: Please allow slight error due to manual measurement. Thanks for your understanding.