If you're worried about exceeding thickness limits and high shipping costs when using air caps or air packaging, try these thin yet durable mini-bubble cushioning sheets! These are the perfect size for envelopes, and you won't find them anywhere else! No need to cut in four places; just cut once to your desired length, so there's no waste and it's smooth! Special size, but the price remains the same! Highly popular! ★ Compared to standard air packaging: Bubble diameter 10mm, thickness 3.5-4mm This product: Bubble diameter 7mm, thickness 2.5mm (actual measurement approx. 2mm) Wrapping around once makes it 2mm-4mm thinner! ☆ Plus, standard products have about 94 bubbles per 10㎠, while this product has 156, so it's also more durable! ★ Perfect for sending mail with thickness restrictions! ★ You can easily make cushioned envelopes! Perfect for Blu-rays, game software, etc. Width 19cm x Length 44m (22m x 2) Square 4 and Square 5 envelope size width ◆ Lineup ◆ If you can't find what you're looking for, please comment. ○ 350 yen △ 640 yen ☆ 1080 yen □ 1780 yen 　　Width　　　　　Length ◆ 120cm ○ 80cm △ 1.5m ☆ 3.5m ◆ 60cm ○ 1.6m △ 3m ☆ 7m ◆ 40cm ○ 2.3m △ 4.5m ☆ 10m □ 20m ◆ 30cm ○ 3.2m △ 6m ☆ 14m □ 28m Convenient envelope width sizes ◆ 24cm (Kakukei 2) ○ 4m △ 7.5m ☆ 17m □ 34m ◆ 21cm (Kakukei 3) ○ 4.5m △ 8.5m ☆ 20m □ 40m ◆ 19cm (Kakukei 4, 5) ○ 5m △ 9.5m ☆ 22m □ 44m ◆ 16cm (Kakukei 6) ○ 6m △ 11m ☆ 26m □ 52m ◆ 12cm (Kakukei 8, Naga 3) ○ 8m △ 15m ☆ 36m □ 72m ◆ Shipping Method ◆ ・Standardized Mail To offer the lowest prices, we use extremely simple packaging. Rolled into a roll and placed in a thin, transparent plastic bag. ・Shipping days are Tuesday, Thursday, and Saturday. We will ship on the next shipping day after payment confirmation. ◆ Notes ◆ ・Although this is a product from a major domestic manufacturer, occasionally there may be bubbles that are not inflated. ・Width may have an error of up to 8mm, and there may be distortions. ・Length may be divided depending on stock availability. ・Due to the nature of the product, dust and other things may adhere due to static electricity. Please refrain from purchasing if you are looking for perfection. ・Please refrain from any negotiations after purchase. ・If you have any other products you are interested in, questions, or requests, please comment before purchasing.