For important shipping and storing, choose a tried and true, trial-by-fire-tested tape. Clear-to-the-core. it's a responsible choice for critical packaging needs. Hot-melt-rubber resin adhesive provides immediate, high-test holding power. Ultra-strong, high-tensile-strength backing ensures heavy-duty split-, burst- and moisture-resistant performance. Value Pack--Stock up and Save! Tape Type: Hot Melt Packaging; Packaging; Adhesive Material: Synthetic Rubber; Hot Melt; Width: 1.88"; Thickness: 3.1 mil.