XL-Plastic Bathtub Spa Sauna Relaxing Kids Adult Portable Folding Bathtub & Lid. PE Bathtub Bag The user-friendly folding design does not take up space and can be placed in the corner. BT, DG, EH, FK, G, KA (1-26, 29, 30), KY, ML, PA (1-19), DD, PH, AB, IV, KW (1-14), PH (19-40, 49, 50).