material and design: Kawaii shaped bottle with a thickened cup bottom, built to withstand temperatures from 40 to 212 F. Durable, stylish, and a standout hydration option. It makes a thoughtful gift for family, friends, or yourself to stay hydrated and healthy. Adjustable shoulder strap: Comes with a colorful adjustable shoulder strap that can be lengthened or shortened to fit kids or adults. It becomes a cute, eyecatching accessory you can carry hands. Kawaii straw bottle: Features a convenient straw for easy sipping. Easily adjusted to fit both children and adults, making it simple to stay hydrated while on the move or traveling. Lovely style: Kawaii Y2K design with attractive colors and details. Functionality meets fashion, serving as a practical bottle and a stylish carryon accessory. The adjustable strap keeps your hands during travel or hiking. Wide application: Suitable for water, juice, milk, tea, and cold drinks. as a birthday or holiday gift for kids, family, and friends. Ideal for shopping, summer at the beach, school, travel, sports, camping, picnics, and home use. Durable and BPA : Made from durable, BPA plastic that resists impact and is not easily broken. Safe for both warm and cold beverages, with a temperature range of 40 to 212 F.