Visibility: Compact, good size for a baby's grip and good for diaper bags and stroller bags. Ingredients: The ingredient of the bottles is very good, good for warm and cold temperature exactly what babies need, without BPA and other harmful substances. Quality: Very good quality, my sister-in-law uses them more than bottles from other companies. The company is known for its good products. Taste: There is no side taste to the bottle as plastic has its way. Packing: Sealed and beautiful packaging. Suitable for all ages, high frequency use. One bottle per serving because of the size of small bottles. Really recommend!