Non - skid strips Inside finish is either white or bisque to match the outside color Outside is acrylicDepth: 18 Length: 60 Material: Acrylic Shape: SpecialtyAll ATR60 tubs have 3.38" centers in tub wall For use with tub wall mounted faucets Use with double offset bath supplies, Part 5576 Requires leg tub drain Part 5599 Do not use with rigid, freestanding supplies Bathtubs now ship with the feet atached and leveled Bathtubs are thoroughly inspected before being shipped