- Food-grade glass reinforced polypropylene
- Excess liquid flows back into the sipping hole because of the concave design of the lid.
- Ultra-durable food grade Nylon 66 inner is BPA free
- Fitted, ThermoSkin non-absorbing insulation sleeve
- Leak proof sipping lid. Patent-pending Protex hex pattern base
- Volume: 16 oz (473 ml). Weight: 4.4 oz / 125g