A glossy container, comprising a layer, wherein said layer comprises: a) from 86% to 99.99%, by weight of said layer, of a thermoplastic material having a Total Luminous Transmittance Value following the test method described herein of from 53% to 80%, wherein said thermoplastic material is selected from the group consisting of polyethylene, polypropylene, polystyrene, and a combination thereof; and b) from 0.01% to 5%, by weight of said layer, of an additive selected from the group consisting of an alcohol, oil, siloxane fluid, water, and a combination thereof, and wherein said additive comprises a plant oil selected from the group consisting of sesame oil, soybean oil, peanut oil, olive oil, castor oil, cotton seed oil, palm oil, canola oil, safflower oil, sunflower oil, corn oil, tall oil, rice bran oil, derivatives thereof, and a combination thereof, wherein said thermoplastic material and said additive: have a Solubility Parameter difference following the test method described herein of from 0.5 cal 1/2 cm -3/2 to 20 cal 1/2 cm -3/2; and have a Refractive Index difference of from 0.1 to 1.5, and wherein the container is blow molded, wherein the container comprises multiple layers, wherein said layer is in the outermost layer of said multiple layers, or wherein said layer is in an inner layer of said multiple layers and the outermost layer is transparent or translucent. a) from 86% to 99.99%, by weight of said layer, of a thermoplastic material having a Total Luminous Transmittance Value following the test method described herein of from 53% to 80%, wherein said thermoplastic material is selected from the group consisting of polyethylene, polypropylene, polystyrene, and a combination thereof; and b) from 0.01% to 5%, by weight of said layer, of an additive selected from the group consisting of an alcohol, oil, siloxane fluid, water, and a combination thereof, and wherein said additive comprises a plant oil selected from the group consisting of sesame oil, soybean oil, peanut oil, olive oil, castor oil, cotton seed oil, palm oil, canola oil, safflower oil, sunflower oil, corn oil, tall oil, rice bran oil, derivatives thereof, and a combination thereof, wherein said thermoplastic material and said additive: have a Solubility Parameter difference following the test method described herein of from 0.5 cal 1/2 cm -3/2 to 20 cal 1/2 cm -3/2; and have a Refractive Index difference of from 0.1 to 1.5, and wherein the container is blow molded, wherein the container comprises multiple layers, wherein said layer is in the outermost layer of said multiple layers, or wherein said layer is in an inner layer of said multiple layers and the outermost layer is transparent or translucent. wherein said thermoplastic material and said additive: have a Solubility Parameter difference following the test method described herein of from 0.5 cal 1/2 cm -3/2 to 20 cal 1/2 cm -3/2; and have a Refractive Index difference of from 0.1 to 1.5, and wherein the container is blow molded, wherein the container comprises multiple layers, wherein said layer is in the outermost layer of said multiple layers, or wherein said layer is in an inner layer of said multiple layers and the outermost layer is transparent or translucent.