Flip-up lock, Leak Proof, Break-resistant, Spout cover, Straw

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SIZE: This Zak stainless steel water bottle holds 15.5 ounces and measures 4.3 by 2.8 inches wide and 6 inches tall.
MATERIAL: This sports water bottle is made of single-wall, break-resistant 18/8 stainless steel, which is durable and BPA-free. Hand washing is recommended; do not microwave.