***** **********Best Quality Guranteed. *****O ring specificationApprox. 8 mm/ 0.3 inch outer diameter, approx. 5 mm/ 0.2 inch in inner diameter and 1.5 mm/ 0.06 inch in thickness*****FunctionsSofter for better shock absorption reduces sound produced by the key shock absorption*****Wide applicationSuitable for most mechanical keyboards, made of silicone material with good elasticity, tough enough and not easy to crack*****Easy to store & takeThese small rubber ring gaskets are packed in clear plastic bags, good for organization and portable*****Quantity120 pieces of rubber rings in 1 storage bag.
Note: do not put in a mouth, especially for kids