All transparent hemisphere dome covers have smooth surfaces. They are light but durable, which are very easy to stick and use. They have no sharp edges and will not hurt your hand skin during the DIY crafts process. There are three different sizes of beautiful transparent round domes for you to meet different needs. Dustproof and moisture-proof, you can use them for DIY crafts, DIY decorations, model protective covers, pendant decorations, gift decorations, etc. It is constructed of PVC material. There are 3 different sizes for you to choose: 9cm, 12cm, 16cm. Suitable for DIY crafts, model protection, gift decorations, keeping the crafts from the external environment and prevent dust accumulation or damage. Item Name: Hemisphere Cover Material: PVC Usage: DIY Handicraft Features: Transparent, Dust-proof, Smooth Surface Size Details: 12cm, Diameter: 12cm/4.72"(Approx.) 9cm, Diameter: 9cm/3.54"(Approx.) 16cm, Diameter: 16cm/6.3"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Hemisphere Covers