★ Weltec ConCool F Sample 7ml x 10 bottles Use by dropping 5-10 drops of this liquid into 25-50ml of water, so I think it's a convenient size for carrying around. ★ Fluoride Coating Toothpaste Gel Weltec Gel Coat F Sample 12 bottles No abrasives or foaming agents are added. (The double quantity of this item is also listed for 1,760 yen) * To offer it at a low price, it will be shipped in simple packaging. We cannot accept exchanges or returns due to leakage, etc. Please purchase if you agree.