Wellco 1/2" Diameter x 33' Rubber Backer Rod for Gaps and Joints Backing Concrete Filler，Drywall Repair Patches Black

This foam backing strip is of sufficient length and made of high-quality round foam material, which is non-absorbent and flexible. It can recover after being compressed and left to rest. Easy to install, it can be cut to the desired size to fill various gaps. It is also suitable for pet protection, crafting, and more. The classic gray color complements a variety of styles.

• Flexible design for easy installation
• Made of high-quality foam to ensure durability
• Waterproof and leak proof, safe use