It is a set sale of Snoopy and Charlie Brown mugs. When the mugs are lined up, Snoopy and Charlie Brown react to each other and have a design that raises both hands.
Only the part of this picture is designed to stand out a little. You might be able to tell what they did after this by looking at the back of each mug. International Buyers - Please Note. This item is in the category "Collectibles\Animation Art & Merchandise\Animation Merchandise\Other Animation Merchandise".The seller is "bananadog31" and is located in this country: JP. This item can be shipped worldwide.