1.PREMIUM MATERIAL - body for flexibility, elasticity, and impact, stress-cracking, and moisture resistance, and is lightweight. Wash bottles are lightweight and portable. Easy to use, just squeeze the bottle.2.EASY TO USE - The surface of the bottle has scale mark to allow you full control over how much water is released. The body of the bottle is transparent, easier to check the substance or fluid level. Capacity: (250ML,500ML).3.WELL SEALED - They are in good seal, Polypropylene screw closure with its angled stem and draw tube molded in one piece for leak-proof applications. Narrow tip allows for precise watering position and watering volume.4.WIDELY APPLICATIONS - Squeeze Bottles can be used to wash labware. Also suitable for water, plant food(liquid), plant nutrient.Great for watering terrariums, succulents, cactus, african violets, orchids, or any other tiny pots