Using tight threading mouth and industrial lock edge design, this packing bag is leakproof and safe for you to use. With its transparent clear body design, this packing bag enables you to see the volume and the color of liquid inside the bottle for quick refill and distinguish. It is constructed of PET material. There are 3 different capacities of the product for you to choose. The product is suitable for travel, hiking, camping, dorm, party, club, etc. Item Name: Packing Bags Material: PET Capacity: 30ml, 50ml, 100ml (Optional) Features: Transparent, Leak-proof, Portable Size Details: 30ml Size: 8cm x 8cm/3.15" x 3.15" (Approx.) 50ml Size: 9cm x 8cm/3.54" x 3.15" (Approx.) 100ml Size: 13cm x 9cm/5.12" x 3.54" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 5 x Packing Bags