Photo 1 of 6pcs Replacement Bite Valve for Zak Designs Kelso 15oz, Silicone Mouthpiece Straw Accessories BPA-Free Water Bottle Parts Compatible with Zak Kids Straw Cups (Blue)

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Photo 1 of 6pcs Replacement Bite Valve for Zak Designs Kelso 15oz, Silicone Mouthpiece Straw Accessories BPA-Free Water Bottle Parts Compatible with Zak Kids Straw Cups (Blue)Photo 2 of 6pcs Replacement Bite Valve for Zak Designs Kelso 15oz, Silicone Mouthpiece Straw Accessories BPA-Free Water Bottle Parts Compatible with Zak Kids Straw Cups (Blue)