Actvty Heavy Duty Door Stopper, 3 Inch Spring Loaded Stopper, Large Adjustable Product Features Strong and Durability: Heavy duty door stopper made of stainless steel electroplating process and durable rubber, metal doorstop very nice finish, waterproof and rust-proof, strong and durable. It is heavy duty product and sturdy enough for any heavy-duty door. Adhesion Non-slip: Door stoppers for bottom of door do not slide because there is rubber on both the top and bottom of this mighty little wedge. Rubber provides a firm grip on floor door without budging.The door will not move even with gusts of wind. Adjustable Design: Door wedge stopper tall 3 inches (75mm), spring loaded door stop can adjust height will fit any door gap from oe? to 3?. Most doorstops are too short and the door easily slides over it, but this adjustable door stopper tall enough works perfectly. Excellent Door Stop: Large door stopper suitable for any heavy commercial swinging door, metal door, double doors, safety door, self-closing hinged door and balcony doors with more space underneath, It is also suitable for glass door, carpet, parquet or tile and it works fantastic. Safe and Sturdiness:Door stoppers automatically adjusts to the gap, great for commercial, residential, garage, corporate, public places, school, hold opening every heavy door for you, makes it stay open and keeps the door from blowing shut in the wind. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!