Double Walled Drinking Glass 450ml Water Glass Glass Double Walled Sierra 450ml Double Wall Glass Cup Ultimate Inspiration Olala Double Wall Glass 2 Piece Set 450 ml Leroy Merlin South Africa Double Walled Glass with Bamboo Lid 450ml Microgarden. O'lala Double Walled Glass Features & Benefits Insulation design. The double wall glass cup has two layers of glass and keeps the temperature of the liquid in the cup constant Keeps drinks hotter or colder for longer. Leak proof design. There is a layer of sealing ring on the inside of the double glass cup lid. This design effectively prevent liquid leakage and can be carried with it with confidence. 450ml glass capacity One, or Set of Two glasses to choose from Dimensions 11. 0(l)cm x 10. 5(w)cm x 15. 3(h)cm Unit Weight (Kg) 0. 20