✔ Shower door dimensions: 55-59 inches wide x 60 inches high. ✔ Reversible installation：Shower door opening can be installed on either left or right side. ✔ Tempered safety glass, ANSI and SGCC certified. ✔ Track can be trimmed up to 4 inches based on installation area or bathtub width. ✔ Door width: 31-7/8 inches, walk-in opening: 26-1/8 inches. ✔ Large solid stainless steel rollers for smooth sliding operation. ✔ Waterproof seals for excellent water resistance, keeping areas dry and separate. ✔ This shower door includes 1 sliding door, 1 fixed panel, and 1 hardware kit, along with step-by-step instructions.