1. Material: stainless steel
2. Weight: about 13 grams for small, 19 grams for medium, 33 grams for large
3. Size: Small size is about 4.5x3.5 cm, medium size is about 4.5x5.5 cm, large size is about 7.5x6.5 cm
4. Leakage diameter: about 13mm for large size, about 9mm for medium size, and about 6.1mm for small size
5. Scope of application: oil, water, wine, etc.
6. Features: stainless steel material, heat-resistant and durable, thick hem opening, smooth and round, double-layer protection, easy to clean