Instruct: Classify the given Amazon review into its appropriate rating category
Query: Good for drinking, not for refilling

Ugh, this bottle. It is a good size and functions properly for drinking however, and a big however, it is so poor designed. The decorative plastic is a ring around the core and came loose almost immediately. This makes it almost impossible to open the water bottle to refill because you have to hold the tiny lip of plastic in order to screw the cap off. Such a pain, son loves it, it holds a good amount of water, fine to drink from but refilling is a nightmare!