Pack version concentrated solution: a pack of empty bottle for one concentrated solution, go back and pour concentrated solution into the bottle by yourself, and then fill it with water. The disadvantage is that you need to pack the water by yourself, which is more troublesome than matching well, advantages: the goods are light and convenient to transport, and the freight is cost-effective!

The bending of individual swords is normal and will not affect the use. This situation cannot be returned or exchanged.