alloy1. HIGHT QUALITY:Made of stainless steel,resistant to corrosion, hypoallergenic, no distortion, anti-rust, bright and shiny.The keychain pendant gift is hand polished on both sides to make it smooth and shiny.2. EXQUISITE DESIGN: Creative astronaut metal keychain design, sturdy and cute pendants for purse or other craft project.3. PERFECT GIFT IDEA: This keychain pendant ring is suitable for many occasions like Birthday, Anniversary,Mother's day, Fathers Day,Valentine's day,Thanksgiving,Christmas and so on.4. Dimension: 4''*1''/10cm*3cm, Weight: 0.065kg. Clasp Charms5. NO HASSLE MONEY BACK GUARANTEE: 3 month warranty and a free replacement or refund if you aren't 100% satisfied.