Classic 400, 34" x 48", white, single threshold shower base, made of procrylic high gloss acrylic, designed to fit 34" x 48" alcoves, shower base features built in, reinforced support, durable, easy to clean, high gloss acrylic without the rough, abrasive fiberglass backing, direct to stud installation creates long lasting & secure unit, drain located in center of base, dimensions: 47.88"w x 32.75"d x 3.5"h, use with classic 400 3 piece shower surround #40084, not included, limited 10 year residential warranty.