TPE, which stands for Thermoplastic Elastomers, is a cross link between rubber and plastic. Considered to be one of the most flexible materials on the market, it combines the elasticity of rubber with the recyclability and processing advantages of plastics.
At room temperature, it can stretch to at least twice its original length. And when stress is released, it takes back its original shape and length. This feature guarantees a longer life cycle than its counterparts.
In addition, it’s hypoallergenic (unlike to cause allergies), it’s inodorous, it has a smoother and softer texture, it can retain warmth, it’s slip resistant, shock absorption and gives the dolls a realistic and lifelike appearance.
Silicone rubber is a synthetic polymer that is heat resistant and can either be soft or very firm which helps retaining its original shape under extreme pressure.
Furthermore, it is also hypoallergenic, can retain warmth and has a realistic texture, which gives the dolls a lifelike appearance.
Even though silicone is a higher quality material, it is considered more rigid, less durable and more expensive than TPE.