My son has had a watch for about a year, during which time he broke another 4 straps. These appear to be of higher quality, even better than the ones that came with the kit. It's thicker and stronger. Because the plastic is thicker, they aren't as stretchy, so they're a bit difficult to put on until they loosen up after a few weeks. My son is 9 years old, we started with the larger size but they turned out to be too big, they easily convert to small and fit perfectly.
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