1.DIY Wall Stickers made of EVA Foam Material and Acrylic Mirror Material, Which is Non Toxic and Non Fading, Can Last for About 3-5 Years. 2.3D DIY Wall Clock can be removable ,With Glue on The Backside, Easy to stick on The Wall or Any Other Clean and Smooth Surface; Such As Door ,the closet and so on 3.The mirrors with glue, before to paste the sticker on the wall, you need to paste the mirror on the sticker surface first 4. DIY design, clock layout size measured by hands, can be ajust to be smaller or bigger size this is a 3D DIY wall clock,very nice one,high quality one. Sticker Material: EVA Foam (Ethylene vinyl acetate) Clock Material: Metal, EVA, Mirror Hour Hand: 27.5cm Minute Hand: 33.5cm Clock Machine: 10cm Battery:1.5V AA battery 1 piece(without) The minimum achieving is: 63cm x 63cm. Montage size:120X120CM The clock final decoration size is decided by how you want to decorate you walls. Packing: 1x Clock stickers 1x Clock mechanism Without battery How to Install? STEP1:Fasten the clock movement on the wall STEP2:peel off protection film from mirror,stick it on the EVA number.Cover the clock movement with the auxiliary scale,stick the numbers at the right site according to the scale. STEP3:Take down the clock movement,fixing the hour hand ,then minute hand.Tips:press the clock hands into the clock axle and point at 12 o'clock. STEP4:Adjust the time by button on the clock movement and install the battery. STEP5:Hanging the clock movement on the wall. STEP6:Well done!You can enjoy your art-work now(No retail packaging)