RELIABLE MATERIAL: High quality spring white silicone rubber bumper, 3M strong adhesive backing, no damage, no need to drill, remove without leaving any residue, eco-friendly, this gadget will be your great helper to prevent your walls from being damaged by kids. EASY TO INSTALL: Clean and dry the wall before use, then stick it where the doorknob touches. Press on the wall or wherever you want and hold for a few seconds. COMPLETE USING FEATURES: Small 4cm (1.57") diameter fits most doorstop handles and effectively reduces slamming noise. Avoid wall damage caused by knocking door handles. Widely Compatible: Wall Protector can be applied to bedroom, bathroom, kitchen, refrigerator, cabinet, drawer, cupboard, etc. Notes: A. Wet and dusty walls are not conducive to pasting, you can clean and keep dry first. B. When the temperature is low, you can use a hair dryer to preheat the adhesive surface and then paste it. C. When tearing off the self-adhesive backing sheet, be careful not to tear off the adhesive layer. D. After the glue sticks, please press it several times before using it. All-round 24-hour sales service: professional materials ensure the quality of items. Please contact our Enlewlth LLC customer service or send an email to our company mailbox and we will provide you with a satisfactory solution within 24 hours. Item Name: Door Handle Bumper; Main Material: Silicone Rubber; White Color; Item Size: 4 x 0.8cm / 1.57" x 0.31" (D*T); Weight: 72.5g / 2.56oz; Package Included? 5 x door handle bumper. Please press it a few times before using it. Comprehensive 24-hour sales service: professional materials ensure the quality of items. Please contact our Enlewlth LLC customer service or send an email to our company mailbox and we will provide you with a satisfactory solution within 24 hours. Item Name: Door Handle Bumper; Main Material: Silicone Rubber; White Color; Item Size: 4 x 0.8cm / 1.57" x 0.31" (D*T); Weight: 72.5g / 2.56oz; Package Included? 5 x door handle bumper. Please press it a few times before using it. Comprehensive 24-hour sales service: professional materials ensure the quality of items. Please contact our Enlewlth LLC customer service or send an email to our company mailbox and we will provide you with a satisfactory solution within 24 hours. Item Name: Door Handle Bumper; Main Material: Silicone Rubber; White Color; Item Size: 4 x 0.8cm / 1.57" x 0.31" (D*T); Weight: 72.5g / 2.56oz; Package Included? 5 x door handle bumper. Weight: 72.5 g / 2.56 oz; package includes? 5 x door handle bumper. Weight: 72.5 g / 2.56 oz; package includes? 5 x door handle bumper.