Note to buyers If you have any questions, please feel free to contact us, we will reply you within 24 hours. When you receive the goods, if the product is damaged or dissatisfied, please contact us, please do not leave negative feedback, we will try our best to solve properly for you, thank you! Features: 1.100% new and super high quality. 2. Resistance high temperature, resistance corrosion, safe and durable. 3. Easy to install and attach with pressure cooker, comfortable to use. 4. Can instead, replace the damaged or old, and reduce your expenses. 5. Please check the size information before placing an order. Specification: Material:Plastic Color:As the picture show Hole Diameter: Small: 1.5cm/0.59 inch Medium: 1.7cm/0.67 inch Large: 1.9cm/0.75 inch Package Includes: 1 X Cooker Lids Knob Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement. Note: 1).You satisfactory is our only prsuit. Your feedback is extremely important to us. 2).Please kindly leave us positive feedback once you're satisfied with your purchase. 3).Please don't hesitate to contact us if you're unhappy with your buy, we'll solve all the problems with you. 4)We have time difference,if you contact us, Please give us some time to solve your proplem. 5)As seller,we hope you can get the goods quickly instead of making you angry .We are far away from you.Sorry and Thank you _x000D_