Product specifications: 450ML or 550ML ┻58 ≠ h245MM

[Insulation] effect: heat retention: 6 hours -55 degree cold: six hours -7 degrees

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Food-grade stainless steel. Double vacuum insulation， the cup body surface paint， caps using food grade PP antibacterial plastics; lock design， easy to carry; one-handed opening button， riding easy to drink; drink straight port design， effective control of water， cold drinks more comfortable; a variety of colors.