Safe Material: the portable water bottle is made of quality silicone, which is strong and reliable, has no peculiar smell and is wear resistant; Even if it is applied repeatedly, it is not easy to break or deform; Since the water bottle is made of silicone material, it is recommended not to fill it too full; It can be squeezed when drinking water; Press the body of the bottle so that the water flow is easier to stay, and it is more convenient to use. Leakproof and Anti Slip: our silicone water bottle is designed with double silicone rings embedded in the cap, protecting it from spilling even when upside down, the wide mouth makes it easier for you to add ice or lemon.- Measuring 17 oz, this custom 17oz collapsible water bottle with clip. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.