Sleep easy, even on heavy flow nights. The Hey Period! Overnight Seamless Cheekie is built with maximum absorbency — holding up to 55ml (10ml more than our regular range) — to keep you protected all night long.


An extended back panel offers extra leak coverage on the sides and back, so you can move freely without worrying about stains. Crafted in our signature buttery-soft and breathable fabric, this mid-rise design smooths and supports while staying invisible under your PJs.

Best for:
✔ Heavy flow days & overnight use
✔ Double protection with tampons, cups, or pads
✔ Leak-free comfort you can actually sleep in

Product Description:
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NEW Maximum Absorbency — holds up to 55ml (10ml more than the regular range) for heavy flow & overnight use
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Extended Back-Panel Coverage — super long & wide gusset prevents side and back leaks while you sleep
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Mid-Rise Cutting — smooths and conceals period bloating, fits comfortably under PJs
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Anti-Bacterial Feature — protection lasts up to 15 washes
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Upgraded Softer & Smoother Inner Linings — gentle on skin for irritation-free nights
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Seamless Design — invisible under clothes, comfy under loungewear
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4-Layer Moisture-Wicking Leak-Proof Lining — quick-dry, absorbent, waterproof, buttery-soft outer
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Buttery Fabric — ultra-soft, breathable & elastic outer layer for all-night comfort
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Double Protection — can be worn on its own or with pads, tampons, or menstrual cups for extra security
30% Spandex, 70% Nylon
Measurements:
- XXS/XS (UK0-2), S/M (UK4-8), L/XL (UK10-14), XXL/XXXL (UK16-18)

Model (Wanyi) is size UK 6, wearing size S/M | Model (Fiona) is size UK 16, wearing size 2XL/3XL
Tips on how to wash and care for Hey Period! Cheekie:
- Before handwash, soak the gusset facing down for at least 30 minutes for easier removal of blood & discharge.Soak the cheekie in cold or room temperature water (below 30 degrees)
- Always hand wash gently with mild detergent
- Always let it dry naturally in an airy area for the gusset area to dry faster and easier
- DO NOT use bleach, fabric softener or any strong detergent to wash.
- DO NOT tumble dry. NO dryer.
Cheekies
I’M IN Size
: S/M (UK4-8)
Bust Size
: 32B/70B
Underbust (circumference)
: 70cm
Overbust (circumference)
: 81cm
UK Size (bottoms)
: UK6
Hip (circumference)
: 89cm
Treat your intimates with care, the more delicate you treat them, the longer they’ll last!
Exchange policy (Singapore)
Eligibility:
- Purchases from iminxx.com or the I’M IN experience store can be exchanged within 30 days from the date of shipping or purchase.
- Items must be returned in original condition - unworn, unwashed, unaltered, with all original tags attached
Non-exchangeable items:
- Cheekies (panties)
- Shapewear
- Stick-on bras
- Nipple tapes
- Clearance sale items (as indicated)
Exchange Fees:
- First exchange: Complimentary
- Second and subsequent exchanges: S$6.99 restocking fee per request
For International orders:
Item(s) purchased via IMINXX.COM online store can be returned via post/courier to our Singapore fulfillment center.
Return Policy
Eligibility:
- Applies to merchandise purchased from IMINXX.COM only.
- Returns must be requested within 30 days from the date of shipping.
- Items must be returned in original condition — unworn, unwashed, unaltered, and with all original tags attached.
Non-returnable items:
- Cheekies (panties)
- Stick-on bras
- Nipple tapes
- Clearance sale items (as indicated)
Return Conditions:
- All returned items will undergo a final inspection before a Returns Coupon Code is issued.
- Returns that do not meet the policy will not be accepted. If your order included a Gift With Purchase (GWP), the GWP must be returned. If not, the retail price of the GWP will be deducted from your Returns Coupon Code value.
- Refunds are issued only in the form of a Returns Coupon Code — no cash refunds.
Returns Coupon Code:
- Valid for 90 days from the date of issue and will auto-expire thereafter.
- Can be used to offset your next purchase at www.iminxx.com only.
Fees (For Singapore Orders):
- First return: Complimentary
- Second and subsequent returns: S$6.99 restocking fee per request (unless otherwise stated).
Fees (For International Orders):
- Items can be returned via post/courier to our Singapore fulfilment centre.
I'M IN Experience Store Purchases
All purchases made in person at the I'M IN Experience Store are final — no returns or refunds.
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Product Enquiry
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