... , shell buttons, fancy buttons, coconut shell buttons etc. They are wildly used in garments, shoes, bags,and ornaments. Our PU ... foam stress toys are made form of high quality polyurethane, which is both non-toxic and boidegradable. Polyurethane is also a resilient, ... versatility. We now have more than ten series PU toys which are ball series, fruits series, vegetables series, cartoon series, animals ...