The thickness is 0.2 inch,thick enough to your wall from pins Made from eco-friendly foam with felt on the ,high density foam holds push pins tight,Strong adhesiveness board,easy to install with adhesive back and saving both time and efforts Suitable for home decoration displaying pictures,and for office or school message bulletin board,The colorful felt pin board makes any space more beautiful and organized,offers you a totally appealing look;Great for placing in kitchen,by desk,anywhere you need to keep reminders; They can be easy to put up and can be configured in a number of different ways to display art in your room;Easy to attach to wall/glass /ceramic tile,and also easy to and without any sign with hair dryer;Great addition to room,to decorate and complement your room’s colors.Weight:18g/pc Color:as shown The pin color is random,Note:Random color,don't accept the specified color. Material:felt Size:12 x 14cm thickness 0.5cm Package Contents: 24x photo memo boards 24x pushpins Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.