Specifications:High-quality material: acrylic / silicone. Resistant and long-lasting with good skin compatibility, lightness and color fastness, also absolutely harmless for allergy sufferers.Package content: 25 pairs incl. 50 pieces (9 pairs of stretch rods 1.6 / 2 / 2.5 / 3/4/5/6/8 / 10mm + 9 pairs of acrylic plugs 1.6 / 2 / 2.5 / 3/4/5/6/8 / 10mm +7 pairs of silicone flared tunnel 3/4/5/6/8/10 / 12mm)Each expansion pin has double rubber-like o-rings. You can select the ones pierced according to your own size with the correct gauge piericng.Good gift for Christmas Birthday Valentine's Day Thanksgiving Classic punkNote: If you bathe, swim, have lunch or sleep at night, then you should remove the piercing. Applicable to people aged 15-50 years. People who are allergic to skin or have skin conditions must be used with caution or even prohibit its use.Characteristics:Great accessory and decoration.Show your special taste and personality.Wonderful gift for you and your friends.Must be disinfected before useNote: Data are all measured manually, please allow for an error of 1-3cm. Due to differences in light and display, there may be a certain color difference, which is subject to the actual object received.