Yellow Mountain Imports Professional Domino Racks/ Trays (Set of 4)- Fits Perfectly for Professional Size Dominoes 2" x 1" x 3/8" Thick (50mm x 25mm x 9.5mm) - Dominos NOT Included Finest Domino Organizer: Perfectly designed for professional size dominoes 2" x 1" x 3/8" thick (50mm x 25mm x 9.5mm). Each tray measures 12 x 5.1 x 0.8 in (30.5 x 13 x 2 cm). Made For Easy Viewing: The ideal domino trays for professional tiles, it does not fit jumbo tiles greater than or equal to 0.43 in (11 mm), standard tiles greater than or equal to 0.26 in (6.5 mm), and does not fit playing cards. Premium Domino Holder: No more worrying about an accidental table bump ruining the game because the slanted grooves keep your dominos in place. Save Your Game From Distractions: With these 4 domino racks, you can focus on winning instead of worrying about palming and concealing your tiles, or keeping them balanced and upright. 100% Satisfaction Guaranteed: Whether youre buying these domino racks for Chickenfoot, Mexican Train, or other games, well refund you within 30 days if unsatisfied.