... include:1.material:made in high grade silicone rubber material,environmental safe material,non-toxic.2.it' ... edges of drilled or punched holes for wiring, cable, tubing, piping, hoses, air lines, rope and more. Used ... medical, etcProvide ServiceRubber injection molding, Rubber transfer molding, Rubber compression molding, Rubber to metal molding, Custom rubber moldingColorYellow, Red, Black, White, ...