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3-Mode Pen Cooler · USB Cooling, 18-Hour Ice Ring & Ice Cube

3-Mode Pen Cooler in white

3-Mode Pen Cooler in blue

Pen cooler with the cap module removed, vials and pens inside

Both colours of the pen cooler on a laboratory bench

Carried on a commute, a hike, a picnic and through an airport

Powered from a power bank, car USB or laptop

Three cooling options including an 18 hour non-electric mode

Digital temperature display on the cap

TSA friendly, discreet design

Close detail of the cap and vent grille

Five layer vacuum insulated construction

Three cooling options in white

Blue, five layer vacuum insulated construction

3-Mode Pen Cooler · USB Cooling, 18-Hour Ice Ring & Ice Cube

3-Mode Pen Cooler · USB Cooling, 18-Hour Ice Ring & Ice Cube

★★★★★ 4.8 (28)

$154.99

Sale price $154.99 Regular price

Amber 3 ml Glass Cartridges for Pens (10-Pack)

Amber borosilicate 3 ml glass pen cartridge standing upright: silver crimp cap with center septum on top, rubber plunger seated inside the amber glass at the base

Amber 3 ml glass pen cartridge lying at a diagonal: flat gray rubber plunger face flush in the open amber glass end, silver crimped cap at the far end

Macro of the amber cartridge's silver crimped aluminum cap: punched-open center exposing the rubber septum disc over amber borosilicate glass

Amber 3 ml glass cartridge individually sealed inside its transparent self-sealing sterilization pouch, film side up

Bulk 100-pack: two stacks of individually pouch-sealed amber 3 ml cartridges with one pouch showing an amber cartridge sealed inside

Amber 3 ml Glass Cartridges for Pens (10-Pack)

Amber 3 ml Glass Cartridges for Pens (10-Pack)

$17.49

Sale price $17.49 Regular price

EVA Travel Case with Ice Pack (Fits Reconstitution Pens)

Closed black EVA travel case with a zip around the edge and a woven wrist strap

Three EVA travel cases side by side in black, denim blue and light grey, each with a wrist strap

Open black EVA travel case holding a green pen and a white ice pack under an elastic strap

Sale

EVA Travel Case with Ice Pack (Fits Reconstitution Pens)

EVA Travel Case with Ice Pack (Fits Reconstitution Pens)

★★★★★ 4.8 (19)

$11.99

Sale price $11.99 Regular price $15.99

Gansulin Pen · Reusable Click-Dial, 3 ml (1-60 Units)

Gansulin all-metal pen floating at a diagonal on a pale studio backdrop, dose window and cap label visible

Gansulin pen studio

Gansulin pen standing vertical on a pale studio surface with a soft reflection

Macro close-up of the Gansulin pen cap, pocket clip and label plate

Gansulin pen with the cap removed, showing the dose window at 60 and the slotted cartridge holder marked 60, 120, 180 and 240

Close-up of the Gansulin pen dose window reading 60, beside the ribbed black dial knob

Macro close-up of the empty black cartridge holder, its unit scale and thread

What's included: the Gansulin pen and its protective black zip case, flat lay

Gansulin pen resting on its included zip case

Close-up of the ribbed black dial knob at the end of the Gansulin pen

Gansulin Peptide Pen · Reusable Precision Click-Dial, 3 ml (1-60 Units) — view 11

Three capped Gansulin pens laid out diagonally on a pale studio background

Four capped Gansulin pens laid out diagonally on a pale studio background

Sale

Gansulin Pen · Reusable Click-Dial, 3 ml (1-60 Units)

Gansulin Pen · Reusable Click-Dial, 3 ml (1-60 Units)

★★★★★ 4.8 (191)

$69.99

Sale price $69.99 Regular price $79.99

Know what you’re getting. The research list: suppliers cleared by a named-lab COA on every batch, the market rate beside each. Emailed to you, plus 10% off your first order.

Get the research list

preppin’ peppers

Reusable reconstitution hardware for the peptide research bench. Verified for accuracy, sold for laboratory research use only.

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© 2026 Hausgem LLC dba PreppinPeppers. Returns| Terms & Disclaimer| Terms of Service| Privacy Your privacy choices

Sold for research, educational, and demonstration use only. Not a medical device, not sold sterile, not evaluated by the FDA. Not for human or veterinary use. Sold as-is, no warranty. Read the full terms & disclaimer.

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