Complex sentence: The drink is currently available in 20-ounce (591 ml) bottles and 12-ounce (355 ml) cans in the USA or 330 ml'sleek can' and 1 litre PET bottles in Belgium, France, and Germany.
Split into simpler sentences: The drink is currently available in 20-ounce (591 ml) bottles and 12-ounce (355 ml) cans in the United States. It is available in a 330-ml'sleek can' and a 1-litre PET bottle in Belgium, France, and Germany.