material: High Borosilicate glass.
Exterior Material: Glass.
Metal Type: Others.
Interior Material: Glass.
Glass Type: High Borosilicate Glass.
Insulation Duration: 6H≥46°C.
Our double wall glass bottles are made from high borosilicate glass which gives the bottle excellent heat dissipation resistance, keeping your drinks at the desired temperature. The look of glass gives the bottle a nice appearance and is durable, especially for a glass product.