Product description Package Contents 36pcs, 18pcs Ear Cone & 18pcs Single Issued Tunnel Plug Kit 1. High quality material: 316l surgical steel (stainless steel). Resistant and durable with good skin compatibility, lightness and color fastness, also absolutely harmless for allergy sufferers. 2. Package content: 18 pairs incl. 36 pieces (18pcs expansion rods 1.6 / 2 / 2.5 / 3/4/5/6/8 / 10mm + 18pcs tunnel plug1.6 / 2 / 2.5 / 3/4/5/6 / 8 / 10mm) Each expansion pin has double rubber-like O-rings. You can choose the 3rd size to be pierced with the correct gauge piericng according to your own. As a stretching beginner or more experienced in gentle stretching, this stretching set is guaranteed to be the right choice for you. 4.Good gift for Christmas Birthday Valentine's Day Thanksgiving Classic punk 5. Note: If you bathe, swim, have lunch or sleep at night, then you should take off the piercing. When using it for the first time, the best way is to consult a professional or experienced user. 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.