1, material: 13 The shelf life of compressed biscuits is 18 months, with less preservatives added, while the shelf life of 900 compressed biscuits is longer, up to 36 months, with more preservatives added.

2. Nutrition: 13 compression is better than 12 compression biscuit, because the ingredients are the same, but there is less taurine and more wheat hydrolyzed protein, while 900 compression biscuit has more taurine.