Thank you for viewing! (*^^*) This is a Tetra Pak. You can put small items inside, peel off the double-sided tape, and seal it to create three-dimensional tetra-shaped wrapping. ● Contents 3 patterns x 7 sheets, 21 sheets total - Material: Patterned vinyl material - Patterns: 3 types - Size: 7.5cm (H) x 7.5cm (W) ● Notes These are handmade by an amateur, so there may be individual differences such as misalignment, protrusions, and distortions. Please understand. ● Shipping Method Yu-Yu Mercari Bin (Yu-Packet Post mini)