Inside dimensions: 15-1/2"W x 20"T x 9"D. Removable shelf to separate supplies from machine space (machine space dimensions with shelf in place: 15-1/2"W x 16"T x 9"D). Elastic bands for holding table & knee control above machine. Space above machine space large enough for iron & foot control or project. Seat belt to prevent machine from shifting during travel. Two inside pockets: one large enough to fit a 12"x18" rotary mat or rulers up to 19", second pocket will hold up to a 14" square ruler or books & patterns. Two outside pockets: top pocket has looped adjustable elastic for holding spools of thread (min-king or smaller); bottom pocket has looped adjustable elastic for holding cutting & marking tools or smaller rulers plus a zippered mesh pocket for keeping smaller supplies in place. Reinforced molded frame to protect your machine. Quilted inside for cushioned support on all sides. Sturdy wheel base & back weighted to carry up to 70lbs. Dual height adjustable handle. Heavy duty nylon zipper with metal slide that includes loops for attaching a small lock. Bonus: Padded insert with iron safe surface to be used as a iron pad during class, and quilted fabric on the other with enough cushion to add extra protection to your machine during travel. Perfect fit for Featherweight, Genie, Vivo, Gem Gold and more.