Joyful toys set: each swimming toy set contains 12 pieces of gems, including 3 large (40 mm), 4 medium (30 mm), and 5 small (20 mm) gems. Includes 2 sets (24 pieces total) and comes with 2 vintage-style mini treasure boxes, one silver and one golden, each approximately 90 x 52 x 55 mm. Quality material: the colored diving gems pool toys are made of resin, non-toxic, safe, non-fading, and have an ideal weight for sinking in swimming pools. Durable with a smooth texture, resistant to high temperatures, and designed for long-term use. Exquisite appearance: these diving gems are colorful and easily attract attention during pool games. Store the diving toys in the pirate boxes to create a fun treasure hunt experience for you and your friends. Active guidance: these diving gems are perfect for summer pool activities, encouraging children and young people to dive and swim, promoting active play and physical exercise. Wide range of occasions: this diving gem pool toy set is suitable for various events such as summer parties, pool parties, beach gatherings, birthdays, and school swimming activities. Also ideal for decorative uses including table scatters, vase fillers, and event decorations.