This stackable, polycarbonate mug features deep grooves allowinga comfortable grip in the hand and is anti-slip. It is suitable for allage groups, hot and cold liquids and the virtually spill-proof,patented valve in the lid prevents spillage. Only a small dropescapes before the vacuum seals off the main flow. The Sure GripMug has a spout, angled to facilitate easy use. Another feature ofthis cup is the inclusion of a 100ml and 200ml measure guide onthe outside, this comes in useful
