Specifications: High-quality material: acrylic / silicone. Resistant and long-lasting with good skin tolerance, lightness and color fastness, also absolutely harmless for allergy sufferers. Package content: 25 pairs including 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 tunnels 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 sizes with the correct gauge piericng. Good gift for Christmas Birthday Valentine's Day Thanksgiving Classic punk < Note: If you bathe, swim, have lunch, or sleep at night, then you should take the piercing off. 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. Features: Great accessory and decoration. Show your special tastes and yours Personality. Wonderful gift for you and your friends. Must be disinfected before use