Keep your snacks, vitamins and workout supplements organized with Gostak Twist n' Lock Storage Jars. The highly durable and secure storage jar is made up of Eastman Tritan plastic which makes it clear, odor resistant, BPA free and phthalate free. Gostak Twist'n Lock is excellent for people who are on the go and have a busy lifestyle. Separate the chips, dips, nuts, and meals and attach each storage jars to one another to save a huge space in your bag. The storage jars come in many different colors and it is dishwasher safe.