Silver Jumbo double 6 dominoes measure 54 x 28 x 12mm (approx. 2" x 1" x .47") Double 6 Dominoes are made of acrylic, a plastic material with outstanding strength, stiffness and optical clarity. The dominoes come with a center spinner for easier mixing. The set of 28 tiles comes packaged in an elegant black velvet box. High quality classic look and feel. These jumbo size dominoes measure 54 x 27 x 12mm. (approx 2" x 1 " x .47"). They feel perfect in small or large hands and are made of high density resin, giving them outstanding strength, stiffness and color clarity. They feature a center spinner for easier mixing and come with an elegant black velvet storage case.