Cutimed Sorbion Sachet Multi Star 3.5″ (8 cm) diameter. Wound bed preparation in its most flexible form; Cutimed Sorbion Sachet Multi Star combines the advantages of Cutimed Sorbion Sachet S with extended applications. With its flexible shape Cutimed Sorbion Sachet Multi Star allows flexible applications for use on sites such as the toes, heel, foot, sacrum, chest, axilla, elbows or wound cavities.