the notable design of the hourglass shaped tl bottles feature an additional top collar design making the line distinctive from other petg packaging. unlike other plastics, its polymer chains can be recovered for additional use. on top of that, petg is a good packaging solution for beauty and cosmetic products as it provides excellent barrier properties, filtering out gas and moisture for a number of products, even alcohol and solvents. petg is strong and impactresistant and naturally colourless with a very high level of transparency.