The 11.5 cm Tin-Glass Jam Bowl, where elegance and durability meet, maintains food safety standards at the highest level. Tin is known for its excellent food compatibility. It offers long-lasting use without the need for constant polishing. 95%-97% refined tin has a unique alloy of copper and antimony for strength and durability. Produced with 40 years of traditional handcrafting, each piece stands out with the highest quality and impeccable aesthetics.