Features: Non-toxic and acid-free, formaldehyde free and environmental friendly. You just need to twist it up, spread on an active printing area only, no need to cover the whole surface Easy to clean, with water soluble formula, you can just clean it with water after drying These 3D printer glue sticks are for all 3D printer heated bed, including build surface sheet plate, aluminum and glass plate and so on, will bring you a nice using experience. These 3D printer glue sticks can be applied to remove 3D models much easier, also suitable for project crafts, school projects, art crafts and so on. Specifications: Color: As Shown Weight:21g Material: PVC Size:Approx 4inX0.78in /6inX0.78in Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 3 Pieces Glue Sticks