Reverse: 1999 "Drink Up Your Hesitation" Character Stainless Steel Mug & Nylon Lanyard Set

Inner pot: 304 Stainless Steel (06Cr 19Ni10)
Outer pot: 316L Stainless Steel (022Cr17Ni12Mo2)
Lid: Food-Grade AS & Silicone

Thermal Insulation Performance:
The product features a double-layer stainless steel vacuum. Under ambient conditions of 20℃ ± 5℃, when filled with boiling water (100℃) and sealed, the internal water temperature remains no lower than 35℃ after 6 hours.

The product also demonstrates effective cold retention capability.