... promotion gifts Soft PVC key chain plastic key chaincustom plastic key chainpromotional key rings 1) material is soft PVC with metal ring , comply with SGS test and ... cm and custom size and shape are available3) can print with color or more colors logo4) logo can be 2D and ... use6) artwork file in AI , coreldraw ,PDF ,or jpg format with enough pixes7) idea for promotion gifts to get good advertising ...