Features: Easy to Use: Create a mermaid theme party effortlessly! The spandex arch covers easily slip over most standard arch frames. Balloons can be inflated with hand pumps, electric pumps, or helium for floating effects. The foil decorations and glitter balloons add instant magic to your mermaid balloon backdrop setup. For best results, fill latex balloons to 85-90% capacity. Warm Tips: To ensure safety and optimal results, avoid overinflating balloons and keep away from sharp objects and direct sunlight. Colors may appear slightly different after inflation and due to varying monitor displays. Adult supervision is recommended as balloons can pose a choking hazard for young children. Specifications: Material: Arch Backdrop Cover: spandex Balloons: quality Latex & Foil Colors: blue, pink, purple with mermaid scale patterns Size: 1.65 x 4 ft, 2.1 x 5 ft, 2.6 x 6 ft Package includes: 3 x Mermaid Arch Backdrop Covers 21 x Colored Latex Balloons (7 blue, 7 pink, 7 purple) 3 x Glitter-filled Balloons 3 x Shell Foil Balloons (0.35inch) 1 x Mermaid Tail Foil Balloon (0.85inch) 2 x Small Shell Decorations 1 x Ribbon Notes: Slight size variations may occur due to manual measurement. Color shades may differ slightly from images due to monitor display settings. Do not overinflate balloons to prevent bursting