Transparent protein powder shake and Water bottleProduct Description: : The screw on lid creates a leak proof seal, and the flip cap closes securely to retain contents; the top loop makes it easy to carry or attach keys. Wide mouth design for easy addition of mixing spoons and liquids, embossed markings measure ounces and milliliters. Material: PP, 304 stainless steel stirring ball Function: sealed and leak proof Capacity: 501 600ml