Beach series of sillicone bands come in a variety of colors and shapes. These colorful Rubber Band Bracelets (SillyBandz) are made of non-toxic silicone and die molded in many different colors and fun shapes,such as sailboat,Seashell,star fish,Mermaid and so on.what'more the color changes in the sunlight or the temperature changes.It can give you a soft and freshing feel.