Foot silicone models simulation produced by high quality silicone.
Do NOT use irritant detergents to clean them.
Do not use a hard scrub brush..
Do not put it on the hard edges and corners for long time.
do not Heavy pressure. Long-term extrusion, easy to deform.
Do not touch the ink dyes or sharp objects.
Do not bake away from the fire.
In one word, just treat silicone sex toys as a part of your real body.