The Blendtec WildSide+ Jar has an exclusive, patented square design with a fifth side for a better blending vortex producing thicker, faster blending and shorter customer wait times. Its extra-wide base, along with a more aggressive blade nearly 4 inches long, has helped the WildSide+ jar to raise the bar in the commercial blending category. NSF Approved BPA-Free. Ergonomic design allows for easy 3-way pouring. Easy to read jar markings in oz and ml. Made from durable Tritan. Total capacity 3 quarts. Compatible with all Blendtec commercial blenders. Colour: Clear