BIRTHDAY SOCKS FOR KIDS: These shark socks feature vibrant sharks of all shapes and sizes, making them a stylish addition to any outfit. SIZE & PACKING: Fits for 7-9 years old boys. Each birthday box contains 4 pairs of shark socks, along with a greeting card and an envelope. WACKY KIDS SOCKS: Our crazy socks are made of 80% cotton, 15% polyamide and 5% elastane to ensure they are soft, comfortable, stretchy and breathable. SHARK SOCKS: These novelty boys socks could be the ideal gifts for kids who love sharks or animals. SHARK GIFTS FOR KIDS: These funny boys socks make the ideal gifts for holidays such as Birthdays, Costume parties, and Christmas. They are great gifts for kids.