Bubble Conc. B 50ml is a large bubble concentrate product enclosed in a vinyl pouch container. The consumer mixes Bubble Conc. B 50ml and tap water in a 1:9 ratio (professional) to make a solution and then uses it for playtime or games with bubbles. The mixed bubble solution creates ample bubbles that have good elasticity and last for prolonged time. Therefore, various new and fun types of bubble playtime and games are possible. As shown in the photo below, follow the dilution-mixture method by pouring 450ml of water into a 500ml empty PET bottle, opening the top of Bubble Conc. B 50ml, and pouring all the contents into the bottle. Finally, close the PET bottle cap tightly and shake it up and down.