Name: Black/white hollow silicone rubber grommetSize: 5-51.3mm (corresponding to "A" in the specification diagram)Material: Food grade silicone rubberUses: Commonly used for cord protection, pipe protection, sealing protection, etc.Features:1. Food grade silicone rubber material, proof against high and low temperatures (-40 ℃~+250 ℃), cushioning and shock absorption, excessive elasticity.2. Good sealing performance, dust-proof, waterproof, protective, and lengthy provider life.3. Corrosion resistance, acid and alkali resistance, UV resistance and growing old resistance.If you purchase a massive quantity, please touch us for discounts. Support customized, welcome to inquire.Kind tips:The color of the image is barely assorted from the genuine object, please take the actual object as the standard.You can examine the exact length in the photograph gallery, otherwise you can contact us for consultation.There is a slight error in guide measurement, thanks in your understanding.There are diversified sizes, colors, materials and styles of merchandise within the store. If you've got particular needs, please contact us.Package included: (according for your choice)