"The Delta Insulated Mug is a lightweight, thermally-efficient camping or daily commuting mug that uses a Protex hex pattern base for heat dispersion and weight reduction. 
The non-absorbing ThermoSkin insulating sleeve offers heat retention and the snug-fitting self-draining lid allows drip-free sipping."

Features:

Same day dispatch if ordered before 1pm. 
Free Royal Mail 48 hour delivery. 
30 day return period.