Why did I buy a gold collar of 720g?

I bought a 720g gold collar because it is a new product. According to relevant public information, it is normal to buy 720 grams of gold collar. It's a new packaging and brand, with less grams than usual. Ilikin Collar is a brand of infant formula under Yili. Focusing on infant nutrition research in China, he has accumulated tens of millions of nutritional data. Assembled more than 2,500 sophisticated R&D teams around the world, and developed the patented formula of "Infant Formula Milk Powder Containing α-Whey Protein and β-Casein and Its Preparation Method" and five core patented formulas including several nucleotide patents to meet all kinds of nutrition required by the baby's growth. China patented formula, maternal love inheritance.