1. silicone pen stopper 2.100% silicone durable, non-toxic,eco-friendly ... use for pen 3.Any color is availabe silicone pen stopper/pen cap /pen holder/pen stopper1. material:silicone . ... various colors are welcomed.6. OEM/ODM is welcomed ,can customized. Please send us your inquiry ,and let us ... cover), and so on.The above products are used in industrial ,medical ,toy ,automobile ,article of everyday use ...