Convenient bundle of GreenFix Double Sided Mounting Squares & Sticky Dots for all your needs! Getting this bundle you receive 1 set of adhesive squares which consists of 110pcs, 0.7" x 0.7" (20mm x 20mm) each sticky tack and 1 set of adhesive dots which consist of 150pcs, 0.7" (20mm) diameter clear round stickies. Both are incredibly thin - 0.04" (1mm) only! PREMIUM QUALITY double sided sticky dots and mounting adhesive squares are made of clear foamed acrylic - non-toxic, durable material. Flexible, Transparent, Easy to cut, Removable and Traceless! BEST SURFACES are tiles, wood, glass, metal, plastic, stone. We do NOT advise attaching sticky dots & squares to wallpaper, drywall or painted walls - due to strong adhesive bond, such surfaces may be damaged upon removal. How to use? - carefully remove needed number of stickers - stick them to your item pressing firmly - attach the item to the surface Before application, make sure both your item and surface are dry and clean!