About sustory
We start from a genuine confusion
You've bought one that was "close enough." The size looked right. The material said body-safe. Then it arrived — and it wasn't what you had in mind.
"This has happened more than once. That's not on you.
The market has too many products. Shapes get loosely grouped. Sizes are described by feel. Nobody explains what the material actually is."
You didn't pick wrong — the market never gave you the conditions to pick right.
So, Sustory did three things
① Re-categorized every product by sensation, not just shape.
② Listed precise, transparent specs on every product page.
③ Built the full lineup in medical-grade platinum silicone — no exceptions.
Know Before You Buy — Shape Meets Science
The Gold Standard: Why Texture is Non-Negotiable
Safety is the entry fee, and texture is our craft. While others use single-layer materials to cut costs, we've committed to a higher standard across our entire collection.
Every step is on record
From raw material to your hands — every step is documented.
Because what goes inside your body deserves a process that can be questioned.
01 Material Control
Incoming platinum silicone tested before production.
Every batch logged.
02 3D Modeling & Prototype
Ergonomic 3D model refined
Physical prototype printed to verify
Dimensions before tooling
03 Vacuum Injection & Curing
Vacuum-injected — zero internal air pockets
Slow-cooled at controlled temp.
No shortcuts, no stress cracks.
04 Demold & Hand Finishing
Skilled demolding — no warping, no fingerprints.
Hand-trimmed seams. Post-cure bake removes residual volatiles.
05 QC & Lab Testing
Tensile, tear & rebound tests on every batch sample
Third-party lab: heavy metals, phthalates, allergens
KOL & Community Photos
Finally
The rest of the story is yours to write.
We don't believe exploring your own pleasure is something to be ashamed of — or settled for. You deserve accurate information, a product you can trust, and the confidence to go after what you actually want.