... top grade silicone material, durable, flexible, odorless, non-toxic, and Environmentally-friendly Item: DS-423Silicone mp3 case for iPod Nano4A ... with reliable quality products.1) Made from 100% top grade silicone material, durable, flexible, odorless, non-toxic, and Environmentally ... . 7). Optional choice: with rose perfume and/or glowing in the dark. Silicone MP3 case for IPod Nano 4 / mp3 skin ...