What you receive: there are 20 pieces 5ml clear plastic jars with black screw-on lids; They are durable and refillable, measuring about 30mm in diameter, 16mm in height Quality material: these round slime containers adopt quality PET plastic material, not easy to be broken; These straight-sided and wide-mouth jars allow for easy filling and removing Leak proof and seal: the foam liner on the top lid creates an airtight seal to give a nice protection for your things when the lid is securely screwed onto the container Easy to use: the transparent jars are straight-sided and round with wide mouth and thick walls, easy to fill and refill, durable and resistant to impact Useful containers: you can use these plastic jars to store DIY slime, make up, ingredients, party favors, or other crafts; They can also be applied as containers for body lotion, moisturizers, collection, etc.