50Pcs Humidifier Filters Replacement Cotton Sponge Stick for USB Humidifier Aroma Diffusers Mist Maker Air Humidifier 1. The appearance of the sponge stick is regular, full_x000D_ 2. Good elasticity, water is not easy to leak after sealing the bag._x000D_ 3. Porosity is evenly distributed; the water absorption is extremely strong, the water storage capacity is large, and the volatility is stable._x000D_ 4. It is not soluble in water, non-sticky, and keeps the consistency of the evaporation rate of the water agent._x000D_ 5. It can be matched with various types of perfumes, liquid medicines and other water solvents, filter and store water, and is safe._x000D_ _x000D_ Product name: Replacement cotton sticks for Portable Personal USB Powered Humidifier Cotton sticks._x000D_ Type:Humidifier Sponge Sticks_x000D_ colour: white_x000D_ Material: fiber cotton_x000D_ Size: 73x7mm_x000D_ _x000D_ Package Contents:_x000D_ 50 x Humidifier Sponge Sticks_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_