One step forward technology meets all your cooling needs. Material: Highly absorbent polymers / stabilizers / preservatives / RO water / Uses RO water (reverse osmosis membrane) that does not contain impurities. The contents of the gel product contains preservatives. The QR code provides information about swallowing, accidentally eating, disposal, and reuse. Stabilizer is added to products over 3.5 oz (100 g). Good shape when freezing. Catch Cool (Nylon Poly Film)