(20pcs) Material: 304 grade stainless steel - is safe, surgical grade, waterproof, hypoallergenic, tarnish-free, durable metal; Suitable for daily wear, outdoor, shower, gym and sports; Highly resistant to tarnish, corrosion, sweat, heat, water, smudge;
304 stainless steel is widely used in medical equipment, household products, and food industry; It is an excellent material for use in jewelry due to its low risk for allergic reaction; It's generally considered hypoallergenic for Most people, and great for making non-rusting everyday wear jewelry and crafts;
Designed for 30mm (1.18 inch) cabochon or bead, Tray cup's Inner diameter 30mm (1.18 inch), Tray cup's outer diameter ~ 33mm (1.3 inch), Bail ~ 9.5mm x 3.5mm (0.37 inch x 0.14 inch)
Sturdy, thick, long lasting solid back bezel cup frame is perfect for all kinds of craft and jewelry making such as filling them with resin, glitters, dried flower/plant, mini charms, etc. to make unique pendant charms;
Safe craft and jewelry making supplies; A material and quality assurance certificate of these 304 stainless steel products issued by Adabele, U.S. A. is included; these Items are packaged in Adabele's trademarked bag