Ikea Trofast Large White Toy Storage Bin Box 16.5" x 11.75" x 9" New 956.851.00. The boxes to TROFAST come in different sizes and colors. The frames are designed so that boxes of different sizes and shelves can be placed at a convenient distance from each other - all according to your storage needs. TROFAST boxes are also easy for your child to carry - a good thing when the toys are quickly needed somewhere other than the children's room. Product details Fits in TROFAST frames. Can be stacked when completed with a lid. Can be used with TROFAST lid.