(High-grade silicone material)Men's normal type (recommended to buy 2 sets of replacement) (high-grade silicone material)Elderly men's atrophy type (recommended to buy 2 sets of replacement) (high-grade silicone material)Women's special type (recommended to buy 2 sets of replacement) (high-grade silicone material) Women's special type (recommended to buy 2 sets of replacement)