Optimize your vertical shelf space with this large and wide nonslip stacking shelf featuring a carbon-black tray with raised sides. Infused with an additive to discourage mildew, this BPA-free tray organizes your pantry essentials without using the storage space beneath it and folds flat for storage when not in use. A women-owned business, madesmart has been revolutionizing housewares with their innovative designs since their debut in 1990.