Thank you for purchasing in our store! If you are dissatisfied with our deep conditioning thermal cap, please be sure to contact us and, we will find a best solution for you!<br><br> Lower energy loss during cooking, due to the surface exposure between the water and air, water hardly evaporates during the cooking process.<br>Reduces the risk of splashing hot water onto your skin. Fit any shapes and sizes pot or container.<br><br> Specifications:<br> Material: BPA free PP<br> Size: 20mm<br> Amount: About 250pcs per bag<br><br> Packing list:<br> 1 x bag sous vide ball<br> 1 x Mesh bag