These mini chalkboards feature a peg clip on the back. They come in 3 styles - Rectangle 4 pack, Rectangle 6 pack and Oval 4 pack.
Approximate sizes of each piece in these packs are:
Rectangle 4 pack - 70mm wide x 45mm high
Rectangle 6 pack - 40mm wide x 21mm high
Oval 4 pack - 59mm wide x 34mm high
There is an approximate 3mm non-chalkboard border on these pieces.
The chalkboard effect is only on one side of the frame.