Bottles mixing 18oz thermos stainless steel double wall anti-leak with mixing ball, loop, flip cap.

Ideal size for the office, gym, camping, hiking, at home and much more ...

• Constructed with premium gauge materials, with 304 stainless steel.
• Keep your drinks cold for 10 hours, and warm for 10 hours.
• Coated with top surface powder, against splinters and scratches for indoor and outdoor use.
• The matte finish offers a better grip.
• Leak-proof sport cover, narrow mouth - reduces splashing.