1. Safe Environmental ProtectionThis foam pump bottle is made of sturdy PET plastic (BPA ), , nontoxic, odorless, harmless and reusable. Please note the liquid temperature should not exceed 40℃. 2. MultiuseFit for making your own favorite lash cleanser, facial cleanser, cream, shampoo, hand soap, etc. It's a great choice for home, office, business trip and travel for liquid soap in foam bottles. 3. Leak DesignOur empty foam dispenser bottle comes with a cap and tight threads inside that can prevent any leakage. So you can ly put the foam travel bottle in the bag without worrying about liquid leakage. Besides, we have also designed a groove at the bottom, which greatly improves its stability. 4. Fine Rich FoamThe multilayer spring squeezes and rubs the solution against the air in the bottle, pressing out a finer and smoother foam. So you can have a more comfortable bubble experience.