These Cinder Blocks are made from concrete and are handmade right here in the states. Each block measures 1 & 3/8"x 5/8"x3/8". The Pallet is made from wood and measures approximately 3.9 x 3.9 x 0.8 inches in size. One Pallet and 36 Cinder Blocks is included with this listing. This is perfect for any mini DIY spot or can be used as a fingerboard obstacle!