About this item Package Content : You will receive 300 pieces of mounting putty, each piece of clear museum gel has a diameter of 0.79in/20mm and 0.03in/0.8mm in thickness High Quality Material : Our sticky putty is made of high quality acrylic high viscosity adhesive, strong adhesive, good flexibility, transparent color for sticking items almost invisible, will not damage the beauty of crafts No Trace : The putty for hanging pictures is made of nano adsorption technology, which does not leave adhesive residue after tearing off and keeps the integrity of the adhered surface without causing any damage Easy To Use : Our poster putty use an upgraded transparent backing with a “small handle”, which can be easily removed without any tools, no need to wait for a long time for drying, and can help you quickly fix a variety of items Practical Sticky Putty : These museum putty can be used on surfaces made of a variety of materials, including plastic, wood, glass, smooth walls, ceramics, metal, paper, fabric, resin and more. The mounting putty is perfect for securing artwork, hanging posters and photos, decorating holiday balloons, assembling models and DIY craft projects