Material: Surper Quality Acrylic and silicone, Non-toxic & Allergy Free. It is lightweight and very flexible,100% Safe and Health to Wear.
The plugs have little indenting so the o-ring can't come off too easily, the tapers are made out of acrylic and come with 2 O-rings to hold them in place
18 Pieces Acrylic Tapers with Double O-Rings - 14G = 1.6mm, 12G = 2mm, 10G = 2.5mm, 8G = 3mm, 6G = 4mm, 4G = 5mm, 2G = 6mm, 0G = 8mm, 00G = 10mm.
18 Pieces Acrylic Plugs with Double O-Rings - 14G = 1.6mm, 12G = 2mm, 10G = 2.5mm, 8G = 3mm, 6G = 4mm, 4G = 5mm, 2G = 6mm, 0G = 8mm, 00G = 10mm.
14 Pieces Silicone Flared Tunnels - 8G = 3mm, 6G = 4mm, 4G = 5mm, 2G = 6mm, 0G = 8mm, 00G = 10mm, 0.47inch = 12mm)