Package includes 4 Dry foam bricks made from Foam material, each block measures 22.5x11x7cm. Easy to Cut: Cut the foam brick as any shape as you , put it into water slightly and wait for one until it absorbed water fully. Easy to Use: just cut to the desire size and insert the flowers to the foam, Create arrangments, Also great to hold lollipops or anyting on a stick. Note: You should not press the flower foam bricks with your hand when it is absorbing water, which will lead to insufficient suction. it can not only hold your arrangement, also accept and hold water to keep your cut flowers and hydrated. It can be used in a vase at home, or in a DIY or packing the bouquet flower shop and so on. Material:Foam colour:Grey Package Contents: 4 * Foam Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.