Smile(TM) Best Choice New Design Fist Cup Knuckle Duster Handle Coffee Milk Tea Cup Ceramic Fist Mug Cup Cool Gift (Black+Silver) Size: 10cm x 8cm Material:Ceramic mug, with chromed ceramic knuckles. Slightly concave side; smoothly rounded rim and steady base. Mug with unique metallic handle brings humor to the daily routine.. Very user-friendly design, has a unique personality. A good gift for your family and friends.