This mug is one is a series of Alice In Wonderland inspired coconut shaped mugs with a flowered tapa-style colored band around the top and a driftwood shaped plaque on front reading "Drink Me".
From Lost Temple Traders:
"One drink from these mad tiki cups will send you down a rabbit hole filled with tropical flavors and colorful characters.
Limited to 250 in each colorway and produced by Munktiki Imports.
Each order comes with a recipe for Skipper Melissa’s Alice on South Island. These mugs are ready to ship."