The Mercer Industries safety Goggles are designed to protect your eyes from direct and peripheral threats. Made with soft, flexible PVC for a good, comfortable fit. Can be worn over most glasses. Available with and without perforations. Mercer Industries is a 3rd generation family owned Company that was built on core Values of quality, performance, delivery, service, and price. Mercer is committed to serving its customers and providing quality products. We're here to support you. Please contact our team with questions or comments, or for more information. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. Warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the Purpose intended.