---
product_id: 129575727
title: "Sleep Mask for Side Sleepers Patented Design, Cup-Shaped and Extra-Soft, 100 Blackout Eye Mask Shades Cover for Men and Women Home or Travel, Machine Washable, Black"
brand: "alaska bear"
price: "¥6752"
currency: JPY
in_stock: true
category: "Alaska Bear"
url: https://www.desertcart.jp/products/129575727-sleep-mask-for-side-sleepers-patented-design-cup-shaped-extra
store_origin: JP
region: Japan
---

# patented cup-shaped design avoids eye pressure 100% blackout for total darkness machine washable for effortless care Sleep Mask for Side Sleepers Patented Design, Cup-Shaped and Extra-Soft, 100 Blackout Eye Mask Shades Cover for Men and Women Home or Travel, Machine Washable, Black

**Brand:** alaska bear
**Price:** ¥6752
**Availability:** ✅ In Stock

## Summary

> 🌙 Sleep Like a CEO: Total blackout, zero pressure, all comfort.

## Quick Answers

- **What is this?** Sleep Mask for Side Sleepers Patented Design, Cup-Shaped and Extra-Soft, 100 Blackout Eye Mask Shades Cover for Men and Women Home or Travel, Machine Washable, Black by alaska bear
- **How much does it cost?** ¥6752 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/129575727-sleep-mask-for-side-sleepers-patented-design-cup-shaped-extra)

## Best For

- alaska bear enthusiasts

## Why This Product

- Trusted alaska bear brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Snug Yet Gentle Fit:** Innovative adjustable headband with non-metal clasps avoids ear scratches and stays perfectly contoured on any head size—no bulk, no slip.
- • **Pressure-Free Comfort:** Ultra-soft, CertiPUR-US certified memory foam cushions your eyes without pressing on eyeballs, eyelashes, or nose, ensuring irritation-free rest.
- • **Travel-Ready & Stylish:** Sleek black design blends professionalism with comfort—ideal for home, office naps, or jet-setting millennials who refuse to compromise on sleep.
- • **Durability Meets Hygiene:** All seams are sewn sealed (never glued) for long-lasting quality, plus it’s machine washable on delicate cycle to keep freshness intact.
- • **Total Darkness, Zero Distractions:** Experience complete 100% blackout with a patented cup-shaped design that blocks all light—perfect for side, back, or stomach sleepers.

## Overview

The ALASKA BEAR Sleep Mask is a premium, patented eye mask designed specifically for side sleepers. Featuring ultra-soft, CertiPUR-US certified memory foam and a unique cup-shaped design, it blocks 100% of light without pressing on eyes or nose. Its adjustable, non-metal headband ensures a snug, irritation-free fit for all head sizes. Durable sewn-sealed seams and machine washable fabric make it hygienic and long-lasting—perfect for professionals seeking restful sleep at home or on the go.

## Description

Buy ALASKA BEAR Sleep Mask for Side Sleepers Patented Design, Cup-Shaped and Extra-Soft, 100 Blackout Eye Mask Shades Cover for Men and Women Home or Travel, Machine Washable, Black on desertcart.com ✓ FREE SHIPPING on qualified orders

## Features

- All the stitch seams are sewn sealed as opposed to cheaply glued
- Innovative headband design eye mask - New placement of the adjusters(non-metal clasps) to AVOID scratch ears or irritate skin
- Easy-to-adjust without being too tight or bulky, snug fit enough to stay on face contour with small women and large men
- Unique shaped eye cups & nose cutout - Never press against eyeballs, eyelashes or nose and yet create a perfect seal that blocks all light out no matter if you're a back, stomach or sensitive side-sleeper
- Machine washable inside a laundry bag on delicate

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07R558RLV |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #9,353 in Health & Household ( See Top 100 in Health & Household ) #31 in Sleep Masks |
| Brand | ALASKA BEAR |
| Brand Name | ALASKA BEAR |
| Closure Type | Buckle |
| Color | A2 Black |
| Customer Reviews | 4.6 out of 5 stars 15,686 Reviews |
| Manufacturer | ALASKA BEAR |
| Manufacturer Part Number | AB-EM001-25 |
| Material | Ultra-soft, breathable memory foam and bra-like stretchy fabric |
| Material Feature | CertiPUR-US Certified Memory Foam |
| Material Features | CertiPUR-US Certified Memory Foam |
| Material Type | Ultra-soft, breathable memory foam and bra-like stretchy fabric |
| Model Number | AB-EM001-25 |
| Number of Items | 1 |
| Other Special Features of the Product | Pressure-free on sensitive eyes, ears and temples |
| Pattern | Solid |
| Product Care Instructions | Washable on Delicate Cycle |
| Size | 1 Count (Pack of 1) |
| Special Feature | Pressure-free on sensitive eyes, ears and temples |
| Unit Count | 1.0 Count |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** ALASKA BEAR
- **Color:** A2 Black
- **Material:** Ultra-soft, breathable memory foam and bra-like stretchy fabric
- **Special Feature:** Pressure-free on sensitive eyes, ears and temples

## Images

![Sleep Mask for Side Sleepers Patented Design, Cup-Shaped and Extra-Soft, 100 Blackout Eye Mask Shades Cover for Men and Women Home or Travel, Machine Washable, Black - Image 1](https://m.media-amazon.com/images/I/61eUm+0UvcL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Will you post a link here when the real silk version Is available?**
A: For silk version, you can just search this ASIN: B09QBTQGP5 or look through the offer in amazon storefront.

**Q: Does it help prevent dry eyes in the morning?**
A: Better to try a flat version or heated eye mask.

**Q: Will you make a silk headband? When will it be available? Thanks**
A: For silk version, you can just search this ASIN: B09QBTQGP5 or look through the offer in amazon storefront.

**Q: Will it fit a small sized head?**
A: Don't know how small a head you're talking about.  But the back soft elastic has a slide buckle that you can adjust for size.  When I placed it to the smallest size it measured about 21 inches in circumference.

## Frequently Bought Together

- Alaska Bear Sleep Mask for Side Sleepers 2022 Headband Design, Cup-Shaped and Extra-Soft, 100 Blackout Eye Mask Shades Cover for Men and Women Home or Travel, Machine Washable, Black
- Alaska Bear Sleep Mask Silk Cover Eye Contour Built-in No Pressure for Sleeping, Upgrade Over Conventional Flat Satin Eye Masks, Machine Washable (Black)
- MZOO Sleep Eye Mask for Side Sleeper Men Women, Zero Eye Pressure 3D Sleeping Mask, Light Blocking Patented Design Night Blindfold, Soft Eye Shade Cover for Travel, Black

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**Shop now:** [https://www.desertcart.jp/products/129575727-sleep-mask-for-side-sleepers-patented-design-cup-shaped-extra](https://www.desertcart.jp/products/129575727-sleep-mask-for-side-sleepers-patented-design-cup-shaped-extra)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-19*