Introductions:Acrylic MaterialColorful big diamondnon toxic and safe for kids, the color won't to fade and they have ideal weight to sink very nicely in the pool, durable material can serve you long timeBeautiful Treasure BoxIt comes with a vintage treasure Pirate box Exquisite appearance will attract children and your kids will love them absolutely.25 Colorful big Diamond Size: 25MMMixed in blue, green, red, yellow, pink and so on, beautiful colors will attract kids' eyes to courage them to swim. your kids easy to found it underwater beacuse it's so bigOccasionsThese diving gems are best for summer swimming pools, encouraging young children to dive. The pool toys set with pirate treasure chest can be used in pool games for kids. Also suitable foar various places, such as summer parties, pool parties, beach parties, and diving toy school activities for decorationPackage includes:1 box Acrylic DiamondsNote:Transition: 1cm=10mm=0.39inchPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you