510 ml Stainless Steel Insulated Coffee Mug with Silicone Sleeve includes the following features : 

• Double wall design
• Keep warm for 6 to 12 hours
• Includes a lid to prevent spillages
• Non-slip textured silicone sleeve (Removable)
• Food grade safe, durable and easy to clean

Material :

• #304 Stainless steel body with #201 stainless steel housing
• ABS cap

Size closed :

• Capacity of 510 ml
• Diameter of 7 cm x Height of 16.5 cm