Product Description 1:Item type: Horn Mug 2:Raw-Material: Buffalo Horn 3:Size: Height:14cm~15cm; Diameter: 8cm~9cm 4:Capacity:13oz~15oz(400ml~450ml) 5:Color:This is natural Ox Horn and 100% Handmade, it is unique color and shape for per horn mug, Unique Quality for each Horn Mug Product Application 1:Home Decoration 2:Drinking for cold liquid Product Warning 1:Don't Hold Hot Water 2:Stay away from the fire 3:Can't be placed in a microwave oven Important Knowlege in maintaining Mug 1:you need wash the mug with water or soda water in 2-3 times before using, it can remove the natural horn smell. 2:you need wash the mug before using and after using. 3:The main component of the horn is protein, If the mug lose moisture, It will have the crack risk in bottom as the same principle of people skin is easy to cracking in dry winter. 4:So if you don't use the mug to drinking long time, You have to hold the water in half hour every 4-5 days, let the horn to absorb enough moisture to preventing the mug cracking in bottom 5:The mug is 100% handmade, it maybe have any issue in handle as normal , but it don't effect in your drinking