The PUSTEFIX 2.35 oz large tube of bubbles is the bigger size of the original and most well-known version of the PUSTEFIX bubbles.(bottle cap colors vary between red, yellow, and green). Remove the cap with enclosed bubble ring attached and begin blowing premium rainbow colored bubbles. PUSTEFIX has been making soap bubble toys for decades and all products are made using safe, high quality materials and ingredients making long-lasting ultra colorful bubbles. Bubble blowing toys provide fun for all ages and even help young kids to develop oral motor skills, fine motor skills, and visual tracking skills. Bubble toys are great for outdoor backyard fun with friends and family in the spring or summer and also make the perfect birthday party favor for kids! The PUSTEFIX name comes from the words blow and quick and you'll quickly see for yourself that PUSTEFIX bubbles are hands down the best on the market.