You are buying  a piece of fiberglass chopped strand mat 1.5 oz/sqft 50"x30ft Chopped Strand Mat with 1 pc 1/2"x 3" fiberglass fin roller. Mat  is used for medium strength parts where uniform cross section is desired and in combination woven reinforcements.  Chopped Strand Mat conforms readily and is well suited to use for odd shaped parts.  Chopped Strand Mat weight is specified in ounces per square foot.  With Chopped Strand Mats as a general rule estimate the resin/reinforcement ratio at 2:1 by weight.  Use weights per lineal yard to estimate resin requirements.  When working with Chopped Strand Mat a Bubble Roller is generally necessary to compact the mat and remove trapped air bubbles, see Laminating Tools for various types of Bubble Rollers available. as a leading fiberglass material supplier & tool designer/manufacturer, we have many specifications of fiberglass mat, cloth, woven roving, multiaxile fabrics like 1208, 1708, 2408, 2415 etc . etc in stock. we can supply any length & width  to customers at very competitive price. please feel free to contact us for more information. Rollers are available in 1/2"x2", 1/2"x3", 1/2"x4", 1"x3", 1"x6", 3/4"x3", 3/4"x4", 3/8"x4" etc. Spiral bristle rollers are in 1"x2", 1"x3", 1"x4", 1"x6", 1"x8" etc.Fiberglass wet out rollers in 1.5"x3", 1.5"x7", 1.5"x9", fiberglass chip brushes from 1" to 5",disposal coveralls,  Moldex maskes etc etc PleaseCONTACT US or email us for combined shipment & bulk pricing. We have been in supplying fiberglass & tools since 1996, please be rest assured that the quality of our products is one of the best in the market. Please check all our listings for combined shipping to save.All fiberglass chopped strand mat we sell will be folded into a carton box or a parcel etc to save on freight. If you need it in a roll, $15.00-$25.00 surcharge will apply. Please contact us before you order it if you need it in a roll( All fiberglassers know that folded mat won't affect anything)Dear buyers, your business is very important to us. Please contact us for any issues of the order received, we will try our best to solve the problems asap. Please contact us before you leave any negative or neutral feedback. Thanks.We usually ship from 0 to 4 business days because we ship orders once every 4 business days.