18oz Double Wall Stainless Steel Vacuum Flask with Straw

Our custom 18oz double wall stainless steel vacuum flask is designed for users who need a compact and reliable bottle for hydration on the go. Whether used at school, in the office, during travel, or for sports activities, this bottle delivers practical performance in a portable size. Made from 304 stainless steel with a PP lid and straw, it offers safe and reusable daily use. Its vacuum insulated body helps keep drinks cold up to 12 hours and warm up to 6 hours. The wear-resistant thick cup bottom supports long service life, while custom logo printing, sublimation, and packaging services make it suitable for business gifts, promotional giveaways, and wholesale projects.

Material: 304 (18/8) stainless steel + PP lid
Capacity: 18oz / 532ml
Insulation Performance: 6–12 hours
Style: Straight cup with straw
Color Options: Customized colors available
Product Size: 21.5 x 7.5 cm / 18oz
Inner Box Size: 8.5 x 8.5 x 24 cm
Carton: 25 pcs per carton
Carton Size: 44 x 44 x 26 cm
Gross Weight: 10kg
Net Weight: 9kg
Custom Service: Logo, packaging, accessory options
Customization: UV printing logo, laser engraving logo, silk printing logo, sublimation
Imprint Size: Custom imprint area available upon request
Larger imprint sizes and different imprint methods will incur additional charges.
Packaging: White box
Usage: Home, office, outdoor, travel, gift giving, cycling, hiking, camping, gym sport, business gifts, promotional gifts, children’s drinkware
Your price includes a one-color imprint on the bottle.
Additional imprint colors are available for an extra charge.
Production: 10–30 days
Price does not include shipping cost.