... environment friendly. 3, OEM order are welcome. Soft PVC Key Cover:1. Material: environment friendly and non-toxic PVC2. 2D ... effect3. It will light when you press the key cover.4. Competitive unit price, excellent product for gift, ... effect3. It will light when you press the key cover.4. Competitive unit price, excellent product for gift, ... welcome, any color and designs acceptable. Soft PVC Key Cover