Choose your RST design. Designs are engraved on water bottle so there is no chance of it coming off!
2 straw lids included.
Leak Proof Lids: Wide mouth straw lid water bottles come with THREE different 100% leak-proof lids. A straw lid, a flip lid with a nifty handle, and a stainless steel screw-on lid.
Double-Walled Vacuum Insulation: The double-wall insulation makes Iron Flask water bottles sweat-free! It keeps your drink COLD for up to 24 hours, and HOT for up to 12 hours.
18/8 Stainless Steel: All Iron Flask water bottles are made from high-grade, non-toxic stainless steel that never rusts or imparts a metallic taste.