Pro-kal deli containers are a line of contact clear, american made microwavable polypropylene round deli tubs with 6 sizes ranging from 6 to 32 ounces, fit by 2 common lid styles. Lightweight and cost effective as an alternative to traditional pet deli tubs, pro-kal containers are durable, shatterproof and feature a rolled rim for leak resistance and easy lid application and removal. Contact clear for complete product visibility and microwave safe. Durable, shatterproof material. Unsusceptible to flavor or odor transfer.