Eco-friendly PE material, BPA-free, safe, and soft polymer material, it is a regular outdoor drinking tool. Portable handheld design, easy to carry, firm and durable, not easy to break. Duckbill model water storage bag, better sealing of the lid to prevent dripping. Get rid of the traditional, increase the water injection port, pouring water to catch water faster and more comfortably. Measuring 10.24*5.12*2.76 inches, this custom flip-top pe folding water bag 23oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Eco-friendly material, reusable, foldable for storage.