Product description Can these hold liquids? Yes, they have removable inner seals, so they're completely airtight. Are these spice jars dishwasher safe? No, these plastic jars are not dishwasher safe, as they are made of PET platsic which can not withstand high heat over 149℉(65℃). Please do not fill them with hot items. Can these jars be used for storing homemade spice blends? Yes, our spice jars feature a clean, minimalist design and are ideally sized for storing your homemade spice blends. They give your creations a professional look, making them great for gift-giving or small business. Can I refill these easily? Yes, the wide mouth design at the top makes the plastic seasoning jar very easy to refill. About this item PET Plastic, BPA Free Features: The spice bottle lids are two sided flip tops for shaking or pouring spices, one side has holes for a shaker, the other is for putting a measuring spoon into or pouring Convenient: Flapper cap to pour or shaker/sifter - Refillable spice containers suitable for home or commercial use, plastic storage containers suitable for storing dried spices, herbs and powders Capacity: The capacity of these plastic spice bottles is 3 oz/90ml, height 4", bottom diameter 1.7" Materials: Made of food-grade PET plastic, reliable and lightweight, transparent plastic bottles let you have a clear look of spices, Please do not fill them with hot liquid or hot sample, these plastic jars are not dishwasher safe! Airtight-Sealable Spice Jar: Each spice storage jar is equipped with a preasure-seal foam gasket, which provides airtight packaging for your spice, Professionally keep the content fresh for longer time › See more product details