The sustainability advantages of flat chested sex dolls in the production process are being valued by a new generation of consumers. The simplified design reduces silicone usage by 12-18%, lowers carbon emissions during transportation by 23%, and facilitates easier sorting and recycling at the end of its lifespan. European manufacturers’ “eco-series” even uses algae extracts to replace petroleum-based silicone, resulting in a carbon footprint only one-third of traditional products.