BOONSHAK Water Direct Opens with One Thermal Cold Travel Easy to Easy to Stainless Steel For Elementary School Easy to Mountain Road Tumbler Bottle,

[30% stronger cold and heat retention function] BOOMSHAK stainless steel bottles have a high-performance double vacuum structure that keeps drinks cold for 24 hours and warm for 12 hours. Great for use all year round, and can be used safely at school, work, and outdoors. [Leak-proof & wide mouth for easy cleaning] The bird-mouth cap can be easily opened with one hand. The direct drinking cap has a highly sealed design that keeps the carbonation bubbles in place. The 4.5cm wide mouth makes it easy to clean and hygienic, making it perfect for children. [Safe and secure design & tough materials] Made of high-quality 304 stainless steel & BPA-free materials, it is durable and resistant to oxidation, wear and rust. The simple design makes it easy to use for both men and women, and it is also recommended as a gift. [Lightweight 500ml bottle at 300g] This 500ml water bottle weighs 300g and is light despite its large capacity. The gradient color makes it look stylish. It's perfect for everyday use, such as commuting, club activities, traveling, and driving. [Includes filter and carrying bag] Comes with two types of caps and filters, so you can use ice, tea leaves, and fruit as is. Comes with a cloth bag for easy storage and transportation. You can drink anytime with one hand. The sports bottle is made of 304 stainless steel, healthy, non-toxic and BPA-free. BOONSHAK water bottle has a double vacuum structure and can be used for cold and hot storage. It can keep cold for 24 hours and warm for 12 hours. The sports bottle comes with a removable filter, which can brew tea, scented tea, fruit tea, etc. Anti-slip bottle body. The surface of the water bottle is designed with a matte texture, which is non-slip and resistant to friction. The bottle body comes in a variety of colors and capacities, so whether you are an adult or a child, a boy or a girl, there is always something for you.