Apparatus for ultrasonically welding a plurality of seals between a first web of material and a second web of material of food product packaging to form separate seals extending adjacent to opposite sides of a food product to collectively wrap the food product between the first web and the second web, wherein the first and second webs are formed from separate webs and the wrapped food product is enclosed in a closed seal between the first web and the second web, thereby forming a food product package, whereby a surface area of the second web exceeds a surface area of the first web such that a greater proportion of the wrapped food product is embraced by the second web than is embraced by the first web, the apparatus being characterised in that it comprises: two separate ultrasonic sealers each comprising an anvil and an ultrasonic horn arranged to operate in conjunction with the anvil to form concurrently a respective one of said separate seals when said first web and said second web are simultaneously passed between the anvil and the ultrasonic horn of both said ultrasonic sealers, wherein each of said two separate ultrasonic sealers is a rotary ultrasonic sealer comprising a rotary anvil and a rotary ultrasonic horn arranged to rotate in conjunction with the rotary anvil to form a respective one of said separate seals, wherein the two ultrasonic sealers are separated by a spacing arranged for receiving said food product conveyed upon said first web between said first web and said second web thereby to perform said welding at substantially opposite sides of the conveyed food product; and an end-sealer for ultrasonically end-sealing said product packaging at opposite ends of the conveyed food product comprising a rotary end-sealer anvil and a rotary end-sealer ultrasonic horn arranged to rotate in conjunction with the rotary end-sealer anvil to form an end seal extending from one said seal to another adjacent to an end of said food product when said first web and said second web are simultaneously passed between the rotary end-sealer anvil and the rotary end-sealer ultrasonic horn, said apparatus comprising a cut-off apparatus to cut the first and second webs in parallel to end seals formed by the end sealer such that said food product package includes a peripheral edge portion comprising adjacent tabs (9A, 9B) of said second web and said first web extending together outwardly from said seal and arranged to be manually separated by pealing apart to break said seal, and each of terminal tab sides of the adjacent tabs (9A, 9B) are ultrasonically sealed together while leaving terminal tab ends of the adjacent tabs (9A, 9B) free and unsealed at a terminal end portion of the packaging to be splayed for pealing apart. two separate ultrasonic sealers each comprising an anvil and an ultrasonic horn arranged to operate in conjunction with the anvil to form concurrently a respective one of said separate seals when said first web and said second web are simultaneously passed between the anvil and the ultrasonic horn of both said ultrasonic sealers, wherein each of said two separate ultrasonic sealers is a rotary ultrasonic sealer comprising a rotary anvil and a rotary ultrasonic horn arranged to rotate in conjunction with the rotary anvil to form a respective one of said separate seals, wherein the two ultrasonic sealers are separated by a spacing arranged for receiving said food product conveyed upon said first web between said first web and said second web thereby to perform said welding at substantially opposite sides of the conveyed food product; and an end-sealer for ultrasonically end-sealing said product packaging at opposite ends of the conveyed food product comprising a rotary end-sealer anvil and a rotary end-sealer ultrasonic horn arranged to rotate in conjunction with the rotary end-sealer anvil to form an end seal extending from one said seal to another adjacent to an end of said food product when said first web and said second web are simultaneously passed between the rotary end-sealer anvil and the rotary end-sealer ultrasonic horn, said apparatus comprising a cut-off apparatus to cut the first and second webs in parallel to end seals formed by the end sealer such that said food product package includes a peripheral edge portion comprising adjacent tabs (9A, 9B) of said second web and said first web extending together outwardly from said seal and arranged to be manually separated by pealing apart to break said seal, and each of terminal tab sides of the adjacent tabs (9A, 9B) are ultrasonically sealed together while leaving terminal tab ends of the adjacent tabs (9A, 9B) free and unsealed at a terminal end portion of the packaging to be splayed for pealing apart.