Stainless steel outdoor insulation cup

Name: Ultra-light vacuum flask
Color: coffee, black, champagne, primary color
Capacity: 520ML, 420ML
Features:
Liner-medical 304 stainless steel
Frosted cup body-comfortable feel, matte material, scratch-resistant and wear-resistant
Cup bottom non-slip-cup bottom silicone non-slip ring design, non-slip, shockproof, anti-drop