The regular formula for finding defective products:

Weigh 2 to 3 items once.

Weigh 4 to 9 items twice.

Weigh 10 to 27 items 3 times.

Weigh 28 to 81 items 4 times.

Grade

1. B goods

Usually called B goods and AB goods. The only thing that looks like the real thing is probably the LOGO. You can even find a wallet or bag and stamp it with the trademark. It doesn't matter whether the manufacturer has produced this style before. The important thing is that it only has the "LOGO" printed on it. Most of the time. It's street stall level, and you can tell at a glance that it's a fake product, and the price is very cheap.

2. Goods A

Goods A can be said to be mid-range goods, with a better texture than goods B. The leather and stitching workmanship are average, and the packaging is slightly better than goods B. Better. Unlike the real thing, it will turn to beeswax color over time. The ingredients are ordinary hardware, ordinary hollow materials, and ordinary handwork.

3. Super A

The color will change to beeswax color after use. It changes color immediately when exposed to water. The production process is very meticulous, and the flowers and sizes are very similar to the original. Because the price is reasonable and the quality of the products is good, it is more popular among the public. The ingredients are imported discolored leather.