Swap out plastic for glass and get a head start on your low-waste journey!  PRODUCT DETAILS:    This set includes: One custom mason jar tumbler with matching BPA free straw and straw lid. TO PURCHASE:   1. Choose your jar size.  Small: Regular mouth pint (16 oz) Medium: Wide mouth pint and a half (24 oz) Large: Regular mouth quart (32 oz) Click here for our complete size guide. 2. Select your preferred design and/or straw colors (not available on all designs). 3. Shop for upgrades and add-ons! Upgrade your reusable straw to glass or stainless steel, or grab a couple of extra straws in your favorite colors here. Make sure your jar can't leak.