500 ml Square Coffee Tumbler includes the following features : 

• Double wall design with square bottom
• Attached with leakproof lid
• Keep heat or cold resistance for drinks

Material :

• #304 Stainless steel body with #201 stainless steel housing
• PS lid

Size closed :

• Capacity of 500 ml
• Diameter of 8 cm x Height of 20.2 cm