Makes 5 litres of machine mix, just add water! Eco - ethical - fun! Dr zigs bubbles are environmentally friendly, biodegradable, phosphate free, vegan, and ethical - a percentage of all our profits goes to helping kids in need in the UK and around the world. Made in wales. Great long-lasting bubbles for use in any bubble machine: with this easy to bubble machine mix, you get 200ml makes 5 litres , just add water. The solution is designed to be used in any bubble machine - for toy machines you can add slightly more water if needed. In the higher end and more professional machines, it delivers super high performance.