One 5 ft. 3 in. x 5 ft. 3 in. Coral Reef Wall Decoration. This Coral Reef Wall Decoration is the perfect addition to your underwater themed party. This Coral Reef Wall Decoration can be used to transform your party room into a tropical marine life paradise or as a beautiful backdrop for party photos! It shows different types of exotic fish swimming around a colorful coral reef. Just one of the many items Birthday Direct has to offer to help you Party Better and Pay Less. Check out our entire collection of marine life party supplies and coordinating decorations.