Adopting high quality material, the door stopper can be quickly restored to its original shape. And it is easy to install and can be applied to most door and desk. It is this soft, high elasticity door stopper that can prevent children from accidental collision. It can be used in homes, kindergartens, schools and so on. It is constructed of nbr eco-friendly material material. The diameter of this door stopper is 68mm, the inner diameter is 24mm and the length is 94mm. It is suitable for home, office, dorm, bedroom, door and so on. Item Name: Door Stopper Material: NBR Eco-friendly Material Suitable for: 10mm to 50mm thickness door Features: Anti-collision, Easy to Install, Non-deformable Size Details: Diameter: 6.8cm/2.68" (Approx.) Inner Diameter: 2.4cm/0.94" (Approx.) Length: 9.4cm/3.7" (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: 1 x Door Stopper