Multipurpose Fiber is the superior choice for the do-it-yourself in need of a high-quality, inexpensive, product for cushioning or craft projects. This Dacron Fiber is easy to cut, making it the ideal solution for a wide variety of applications including upholstery, seating, home decor or school projects. can be wrapped around your foam cushions in your sofa to give the soft look and make your sofa look new. Helps smooth out the bumps. also use in canvas insert for dog beds. It features the perfect amount of cushioning and stiffness. First, batting (sometimes called by the brand name Dacron) reduces the friction foam has, and thus reduces wear to fabric. Second, because polyester batting remains springy, it is ever ready to put some light pressure against fabric. This means that even as the fabric stretches with age (and always happens) batting will push against the fabric and keep wear-worn waves from developing. And thirdly, and most importantly, batting fills in any slackness in how youve upholstered your furniture, cushion, etc. And because this will make your upholstered piece looks better. Adding poly-bonded Dacron to replacement cushions will make a huge difference in the look and feel.