Bottle bodies are listed as stainless steel and the boot or accessory is listed as silicone. The bottles are also described as BPA-free, lead-free, and phthalate-free.
Listings show capacities of 40 fl oz and 24 fl oz, with teal color referenced for a 24 fl oz item.
They show leak-proof lids and a spout with a built-in straw that supports sipping upright or tilting to swig. Product details list the lids as plastic.
Descriptions note leak-proof lids and a carry loop that can double as a lock when closed. The lids use a push-open / push-to-lock action described as popping open or locking tight to reduce leaks.
