Style: with carrying rope, with straw, with lock Inner liner material: 316 stainless steel Shell material: 201 stainless steel Heat preservation performance: 0-6 hours Material: 316 stainless steel Style: light luxury Function: conventional, home use, portable, vacuum, heat preservation, customizable, anti-fall Gift purpose: welfare gifts, festival gifts, awards and commemorations, public relations gifts, other applicable holidays: Teachers' Day, New Year's Day, Chinese Valentine's Day, Halloween, Easter, National Day, Children's Day, Women's Day, other applicable gift-giving relationships: juniors, lovers, couples, colleagues, friends, elders, children, classmates, teachers, other product quality grade: superior products Applicable people: ladies, men, children, couples, general, elderly, students Applicable scenes: sports, weddings, business, home, car, general, Christmas, Spring Festival, office, outdoor, travel, gifts, school, other holidays Packaging specifications: color box Color: white, red, pink, black, mixed Capacity: 510ml