Plastic, metal with enough replacement tips and bottles, saves time and effort compared to traditional methods.a must-have tool for any pottery workshop or studio.this be a good for pottery lover. Squeeze bottles for pottery glaze: the bottles are convenient to control the usage of the liquids, make your DIY craft work more accurate, great for tattooing art, crafts, adhesive, etc. multi-purpose bottle for craft glue, pottery glazing tools,paints ceramics project, also can be used for lubricating door locks, hinges, clocks, sewing machines, fishing reels, etc. Pottery glaze squeeze bottle: enhances the beauty and value of your pottery creations.these tool are portable and safe., Manufacturer: Akfldms