*50g/90 pcs *75g/120 pc *Faber-Castell Tack It is easy to use alternative to tape, nails, tacks, and staples. Adheres paper and small objects to most materials. *Surfaces including wood, tile, glass, metal, plaster, plastic, porcelain, cinderblock and more. Using natural rubber, this *Non-Toxic adhesive is great for everyday for home, office and school.