Frame A4 - Ash Frame consists of two pieces of acrylic glass, four lists made of either untreated oak/ash or aluminum, and a rubber band. The rubber band both holds the frame together and serves for hanging the frame on your wall. Sizes A2, A3 and A5 also available. Other materials and colours too. Please see our separate product listing pages. Materials Untreated oak (PEFC 100 %) Untreated ash (FSC 100 %) Powder coated aluminium Acryl glass Rubber band Size A5: 23 x 16,8 x 1,2 (H x W x D) A4: 31,7 x 23 x 1,2 (H x W x D) A3: 44 x 31,7 x1,2 (H x W x D) A2: 61,5 x 44 x 1,2 (H x W x D)