The T-Slider Card as delivered is 5 5/8 x 5.25 and fits in a 6 inch square envelope. This can be resized for the more traditional 5.5 inch square envelope. The kit contains the T-Slider framework plus additional matching embellishments. A sentiment is included as a print and cut. Instructions are on the tutorial tab. The zip file contains the purchased cutting file(s), a photo of the completed project and my TOU. My TOU is also displayed in the shop policies.