- Patent-pending design
- Durable rubber straw high flow rate
- Made of durable polypropylene PP#5
- BPA-free
- Compatible with all newer styles of wide mouth bottles
- Straw Cut Guide: Trim 2.5" off of the straw for the 18 oz wide, 1.5" for the 32 oz, and just a hair for the 64 oz
- Wide Mouth Straw is not leak proof
- Lifetime Warranty