[Premium Quality Material]: The wax melt molds made of PET material, environmentally friendly, healthy and tasteless, will not interact with fragrance or dyes and affect the quality of the wax block.These wax melt clamshells are sturdy, with a tight seal to ensure candles stay fresh [Reusable]: The wax melt molds has a high quality,that you are not easily damaged during use, and can be used for secondary recycling! The wax pour temperature for these wax molds is up to 150 Fahrenheit [Avoid Messy]: These wax melt containers' thickness of the plastic to 0.5mm, to make it more durable and easy to separate, Avoid Messy "Blow Outs" and easy to store [DIY Wax Melts Essential]: Perfect for making all types of wax tarts or soap. It can also be used as a Christmas gift or birthday gift to family and friends. Choose the taste that suits them and they will miss you whenever they use it Colour: Transparent Material: plastic Package Contents: 30 x candle melting molds Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.