The NEBNext Ultra II DNA Library Prep with Sample Purification Beads contains the enzymes, buffers and purification beads required to convert a broad range of DNA input amounts into indexed libraries for next-generation sequencing on the Illumina platform. The fast, user-friendly workflow has minimal hands-on time and, for added convenience, this kit contains NEBNext Sample Purification Beads (SPRIselect® beads from Beckman Coulter) for size selection and enzyme reaction cleanup.