Bubble World Refill Bottle - 33.81 fl. oz. of Bubble Solution for Kids Bubbles SAFE FOR YOUR KIDS: Our high-quality, non-toxic kids bubbles are made with purified micro-filtered water, contain no Phthalates and are Kathon free. PERFECT FOR ALL EVENTS: Bubble solution refill is great for everyday play, parties, celebrations and for use in your favorite bubble toys and machines. EXTEND PLAYTIME: Our bubble refill can refill a standard bottle over 16 times providing hours of non-stop fun for kids and adults! OUR BEST-SELLING BUBBLES: Use this bubble refill with our best-selling BUBBLE WORLD FUN BUBBLES and BIRTHDAY BUBBLE products. WHATS INCLUDED: One 33.81 FL. Oz. bottle of high-quality bubble solution with easy twist cap. Our products are 100% sourced and made in Italy. Our soap bubbles and bubble toys have obtained the TUV and EC Type Certificate. 1 sample per batch (1,800 samples per year) is externally tested. For comparison, industry standard is 1 test every 3 years. We make 32 tons of soap bubble solution daily with the same purified micro-filtered water used in cosmetics. We conduct constant research in innovative soap bubble solution composition in order to lower skin and eye irritation levels.