4 X Bostik Blu Tack Mastic Adhesive Putty Non Toxic Blue Approx 60g 801103 4 x 60g (approx weight) Blu Tack Blue, handy pack Re-usable mastic adhesive Clean, grease fee, safe & easy to use Versatile - lots of uses around the hime, office or school; ideal for modelling. A great alternative to drawing pins & sticky tape Suitable for posters, cards, paintings, decorations, maps, messages & much more