MORE THAN PACKAGING The new metallic film flow pack of the D-A Series Foam Pads offers superior protection against accidental rips or piercing to keep your pads as clean as possible until they're ready for use. The flow pack also prevents UV exposure to maintain the original integrity of the material regardless of where it is stored or how long it remains packaged before use. Clear plastics commonly used in other pad packaging leaves the pads vulnerable to UV damage. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.