[Popdigito Collapsibe Water Bottles With Leakproof Lids:The travel water bottle designed with silicone seal ring to prevent leakage.The patented sealing screw cap is used to eliminate splashing and effectively prevent the bottle from accidentally opening.The wide-mouth design makes it easier to clean the inside of the collapsible soft water container or add ice or lemon to it. When using for the first timeit is recommended to soak in boiling water for 10 minutes for thorough cleaning. The Collapsible water bottles 23.3oz(690mL) portable silicone bottle is a foldable type. from small pocket-sized bottles to larger ones that can hold up to 23 ounces of water.Its folded size is 2.9in(Height)*2.6in(Width) and capacity is 610ML.Many of them also feature a built-in straps making it ideal for travel and easy to attach them to a backpack or belt loop for hands-free carrying. "In addition to being convenient & portablecollapsible water bottles are also use it with confidence for children.Its BPA free and odorless made of BPA-free food-grade organic silicone.It has leak-proof and impact-resistant properties and is very suitable for all activities and it can be used over and over again.This product has excellent heat resistance and can withstand temperatures from -50 to 200°F. We do not recommend using it in liquids higher than 158°F (70°C) to avoid hot hands." Portable Convenience: Usage steps:1)Open the bottle cap.2)Pinch the bottom tightlyand twist from the bottom.3)Continue to pinch themiddle and twist it.4)Close the cap and tieit with straps.Say goodbye to bulky rigid water bottles! Our lightweight and compact collapsible water bottle is your brilliant choice. This versatile and reusable companion attaches effortlessly to your backpack or gym bag keeping hydration within reach. It even fits neatly in your pocket purse or pack. One of the main advantages of collapsible water bottles is that they are perfect for people who are always on the go. Whether you are hiking biking or traveling a collapsible water bottle can easily fit into a backpack or purse without taking up much space. They are also great for those who live in small apartments or have limited storage space as they can be easily stored in a drawer or cupboard when not in use.]