1, Use top quality nylon film and PET film. 2, ECO-friendly ink can pass all necessary test for European and American markets. 3, The latest gravure press, can print balloon according to Pantone color with little color difference. 4, The leakage rate is less than 0.5%. 5, We use eco-friendly paper straw instead of plastic straw. 6, We have rich experience to customize balloon according to your artworks.