NUK First Choice Advanced Hard Spout Sippy Cup, 10 oz, 2 Pack

These have become our go-to water cups for my two toddlers. They both have all of their teeth and a tendency to bite the spout of anything they drink from, and these cups will hold up to daily use for about six months before I want to replace them. The price is great, so I don't mind that they only last us about six months because that is far longer than the other cups that we've tried (my 5 year old daughter with Trisomy 21 bites her cup especially hard). I also love that they don't use a straw. They only have a little spout valve part that attaches under the lid with force (that I guess if your kid was old enough not to tip their water over, you wouldn't even need it). I still use it with my kids because it works well. The cups can be turned upside down and they do not spill. I wash my cups, lids, and the little spout valve in my dishwasher on sanitize and they hold up perfectly to the heat. We tried all the other cup designs and nothing holds up like this one. I only wish they made ones that hold more liquid (these are usually refilled at least three times each day in my house.)