Zeal X Popsicle Package Bag are made of quality materials, odorless, non-toxic, food grade and safe for you and your children. They are strong and durable and can withstand freezing temperatures without breaking or cracking. Strengthen side seal to prevent leakage. The Popsicle bag has a convenient zip seal that makes the snack go a breeze. No more struggling to open messy seals or deal with sticky backpacks. Just rip open the freezer bag and enjoy a healthy homemade snack Popsicle anytime, anywhere. Cut the fruit into chunks, prepare the smoothie, add any ingredients you want, fill the Popsicle bag, freeze it, freeze it for a few hours, and enjoy the Popsicle. Perfect for camping, beaches, picnics, children's parties and family events Make your own popsicles. (Note: Don't freeze too full, make sure to leave about 1/2 inch (15 mm) of space at the top).