2026-07-12 · 6 min
What is a Puffy Sticker? A Complete Guide to PVC 3D Stickers
Puffy stickers combine PVC + EVA layers with high-frequency pressing. Here is a full breakdown of material, thickness, CMYK print, and sampling.
The 3-layer structure of PVC puffy stickers
Top layer is transparent / translucent PVC (gloss & abrasion resistance), middle is EVA foam (3D feel & softness), bottom is release paper with adhesive.
High-frequency pressing: the key
HF machines use EM waves to heat PVC internally, bonding it to EVA instantly and forming sealed 3D bubbles. This step defines bubble fullness and durability.
Choosing the right thickness
- 1.0 mm — small / detail-rich designs
- 1.5 mm — universal, best value
- 2.0 mm — large 3D shapes / tactile toys
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