Laser Engraved Gifts : We use a Professional, High end Laser Engraver to etch your Name into a Diary, Water Bottle, Tumbler, Keychain, Pen. The results are Permanent and Beautiful.. Steel Bottle 750ml : Stainless steel bottle is absolutely safe and hygienic and 100 percent BPA free, Easy to Pour & Easy to hold, l Single Walled Fridge Water Bottle, Best Usage: Office/School/College/Gym/Picnic/Home. Tumbler : 18/8 304 stainless steel, so our tumblers are with zero toxins. Make the healthy choice and go with stainless steel. Double-walled, vacuum insulated design provides an airtight seal which keeps your drink at the ideal temperature. Double wall insulation keeps beverage hot or cold for up to 4-6 hours. When filled with chilled drinks, you won't get condensation or sweating on the outer wall of your tumbler.