High gloss crystal clear appearance with glass smooth interior to reduce sediment build-up. Non-toxic blue tint in compliance with FDA requirements to enhance clarity. USDA accepted for contact with meat or poultry food products. Self-extinguishing. Hardness Shore "A" 72-75. Reinforced Tubing construction - Blue tinted cover and tube compounded from non-toxic PVC in compliance with applicable FDA requirements. (CFR Title 21 parts 170 to 199). Reinforced with spiraled polyester yarn and longitudinal blue tracer yarn for identification.