Made of high quality food grade material, safe and worry-free to use, soft material, wear-resistant and durable, not easy to fall. Cup body is small, one hand can hold, can be put into the backpack to carry, instead of not environmentally friendly disposable water cups, suitable for family travel, hotel accommodation, sports and fitness, business office light to use, can be freely folded, is a must-have choice for travel, daily washing, drinking water can be solved for you. Good sealing, the cup is tilted upside down and you don’t have to worry about water leakage. Made from silicone material, measuring 8.6*2.9 inches, this custom square silicone folding water bottle 21oz. 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.