OL Knox Planter Box for Knox Locker Range Planter Box for Knox Lockers 2 colours to choose from – Nordic Maple and New Oak Ravine Dimension (mm): Large – 200H x 915W x 455D; Small – 200H x 610W x 455D Custom-fit planter boxes with waterproof drip trays add a biophilic aesthetic to the collection Flush joined construction Suitable for fake plants only Not suitable for moisture Warranty: 10 Years