specification Size: 15*15*0.1cm Material: PET Weight: about 8g/pc Lock in: 18x wall stickers Educational school s: convenient and safe plastic s, which are 1 mm thick and with sufficient reflection effect; the reflection of the is good for students to study the symmetry of objects and encourages them to observe the mouth movements while making sounds Usage: a protective film on the surface of plastic , remove the transparent protective film, can show a clear effect, can be used for bedroom, bathhouse or as adornment, not easy to break or cause any damage Fun : plastic stickers are safe for children, teach them how to make these sounds with their tongues and mouths, and then they can practice in front of the , developing their ability to explore and learn Material and size: plastic sticker is made of high-quality PVC material with smooth surface; please note that there is a clear plastic film on the front and a white protective cover on the back which needs to be peeled off when used; the size of the sticker is 15 x 15 cm, 18 pieces per package Wide uses: these stickers can also be used as an interior decoration to achieve a reflection, making the interior space more spacious, suitable for bedrooms, living rooms, bathrooms, dressing rooms, kitchens, gyms, offices, etc., ideal for doing craft projects and more