Kitchen countertop pieces gray quartz As designed the pieces are for an island, sink, countertop, and partial backsplash The measurements are close to actual but for exact precise then you can take your own measurements Island straight end 77 1/2 across Back Edge to middle of curve is 37 1/2 across Side point edge is 105 1/2 inches across About 1/2 inch thick to 1 1/2 with layer edge Sink piece about 79 1/2 inches left to right The side edges are 18 and 19 inches Side point edge across is 104 inches Front to back is 25 3/4 inches These were taken in the position of the pictures and on soft soil, and That is why the measurements are not precise There are 2 pieces that are 18 by 9 inches And 2 pieces that are 20 by 21 1/2 inches These are available and will mark sold when they are gone So message me for a time to see the pieces depending on demand I possibly can break up the set, but full set buyer gets priority These are extremely heavy and will require help to carry and load Best to see in person, Located in zip code 89015 Henderson