MelonBoat Nordic Handmade Turtleback Kuksa 2 Holes, Finnish Portable Wooden Outdoor Camping Drinking Cup, Coffee Mug Special designed Kuksa: hand-rubbed turtleback surface with natural wood grain. Feel like in the bush even if you are drinking at the kitchen table. Great gift for anyone who likes the feel of wood. NOTE1: Soak in the salt water for 3-4 hours and after drying out, paint it with olive oil for another 12 hours to make it beautiful and durable. NOTE2: For the durability of the cup, decrease the chance of getting in touch with boiling water or intense heat.