23" x 35". THE BLACK/WHITE SIDE IS PERFECT FOR BABY'S VISUAL DEVELOPMENT FROM ABOUT 0-3 MOS WHEN THEY SEE THOSE HIGH CONTRAST COLORS BEST, AND THE COLORFUL SIDE IS BEST FOR 3 MOS ON. GREAT TUMMY TIME MAT OR PUT ON THE WALL FOR BABY TO STARE AT. USED, NO RIPS OR HOLES. COULD HAVE A MINOR FAINT SMALL STAIN OR TWO BUT NOTHING MAJOR OR OBVIOUS. FROM A CLEAN, NON-SMOKING HOME. YOU WILL RECEIVE EXACTLY WHAT IS PICTURED/PHOTOGRAPHED.TIP: MOUSE OVER OR CLICK ON THE PHOTO TO VIEW A POP-UP OF AN ENLARGED VERSION OF THE PHOTO TO SEE ALL THE DETAILS! WE GUARANTEE YOUR SATISFACTION WITH YOUR PURCHASE OR YOUR MONEY BACK! YOU CAN PURCHASE FROM US WITH CONFIDENCE, WE HAVE SOLD OVER 6,000 ITEMS TO HAPPY BUYERS JUST LIKE YOU. MOST BUYERS RECEIVE THEIR ORDER WITHIN 2-4 BUSINESS DAYS OF PAYMENT. AND WE PACK EVERY ITEM WITH CARE TO ENSURE YOU RECEIVE IT IN THE SAME CONDITION AS IS DESCRIBED AND PHOTOGRAPHED IN THE LISTING! QUESTIONS ARE WELCOME, WE WILL REPLY QUICKLY.