Size per roll: 3-inch (width) by 98-feet (length) fiberglass tape with 2mm x 2mm mesh holes.Can be used for repairing wall cracks, seams, holes of drywall or concrete, reinforcing ceilings, or connecting sheet materials like particleboard, hardboard.Self-adhesive drywall joint tape, only peel and stick on the place you want to fix, no need to pre-apply joint compound anymore.Easy to use and customize into various sizes by cutting with tools.Please wear gloves when using this product to avoid accidents.