... friendly; SGScertificatesapproved; 2) Flexible,smooth,anti dust finish ,logo printing available 100% Original Manufacturer for Silicone Rubber products. Reasonable ... to your sole design.6. Quality certification: ROHS, SGS7. Logo: can be under construction.8. ODM/OEM: both are ok, ... for a more comfortable fit, and this durable, pliable cap can be stretched to more than double its original size. ...