The AeroLight mug is 33% lighter than other Stanley mugs of the same capacity. Please read the included paper instructions before using. Washing products designed for the dishwasher can cause their appearance to deteriorate more quickly over time compared to hand washing. If you are keen to preserve the cup's original appearance for longer, the manufacturer recommends hand washing with a gentle sponge. Developed by LeDuvel. Colour:Green Material: Stainless steel / Silicone Dimensions: 6.9 x 6.9 x 16.3 cm