Bostik Blu-Tack Mastic Adhesive Non-Toxic Economy Pack Ref 80108 [Pack Of 12] 12 x 110g (approx weight) Blu Tack Blue, extra large value economy pack Versatile - lots of uses around the hime, office or school; ideal for modelling. A great alternative to drawing pins & sticky tape Re-usable mastic adhesive Suitable for posters, cards, paintings, decorations, maps, messages & much more Clean, grease fee, safe & easy to use