Tea bag envelope (paper sachet) size: 70 × 65 mm, bag inside 62.5 × 50 — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/tea-bag-envelopes/  (CC BY 4.0)
Basis: Tea-bag packing machine specification (the common double-chamber bag in a sealed paper envelope)
Catalog version: 2026-10-20

Overall (mm): length 70.0, width 65.0
- The standard machine format: envelope 70 × 65 mm, double-chamber bag 62.5 × 50 mm inside (string and tag folded in).
- Organisers and dispensers: a slot about 72 × 67 mm clears the envelope; envelope thickness varies with the blend.
- Brands differ: a measured Xem scan of common envelopes is planned.

item  length_mm  width_mm
paper envelope (sachet)  70  65
tea bag inside  62.5  50

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Jochamp: JCT-14 tea bag packing machine: bag and envelope size — web — Publisher's page; dimensions are facts — https://jochamp.com/wp-content/uploads/2022/06/JCT-14-High-Speed-Tea-Bag-Packing-Machine.pdf

Xem Studio scan: not planned; the official CAD above covers it.
API: https://xemstudio.com/api/geometry?object=tea-bag-envelopes