... 1.material:made in high grade silicone rubber material,environmental safe material,non-toxic.2 ... resistance,weatherability,etc.5.excellent resistant to ozon,oxygen,mineral,oil,synthetic hydraulic fluid,fuels,solvents& ... medical, etcProvide ServiceRubber injection molding, Rubber transfer molding, Rubber compression molding, Rubber to metal molding, Custom rubber moldingColorYellow, Red, Black, White, ...