--- product_id: 457383007 title: "Side Sleeper Sleep Mask, Patented, 100% Blackout, Pink" brand: "alaska bear" price: "¥6449" currency: JPY in_stock: true category: "Alaska Bear" url: https://www.desertcart.jp/products/457383007-side-sleeper-sleep-mask-patented-100-blackout-pink store_origin: JP region: Japan --- # adjustable fit for all head sizes, no slip 100% blackout for pitch-dark sleep sewn sealed seams, no glue = premium durability Side Sleeper Sleep Mask, Patented, 100% Blackout, Pink **Brand:** alaska bear **Price:** ¥6449 **Availability:** ✅ In Stock ## Summary > 🌙 Sleep Like a CEO: Pitch-Black Comfort Meets Sleek Side-Sleeper Innovation ## Quick Answers - **What is this?** Side Sleeper Sleep Mask, Patented, 100% Blackout, Pink by alaska bear - **How much does it cost?** ¥6449 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/457383007-side-sleeper-sleep-mask-patented-100-blackout-pink) ## 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 - • **Custom Fit, No Slip:** Innovative adjustable buckle and wide headband ensure a snug, secure fit without ear irritation or shifting. - • **Lash-Friendly Design:** Unique eye cups let you blink freely without touching lashes—ideal for false eyelash wearers and sensitive eyes. - • **Pressure-Free Comfort:** Ultra-soft memory foam and bra-like fabric eliminate pressure on eyes and temples, perfect for sensitive side sleepers. - • **Travel-Ready & Easy Care:** Machine washable on delicate cycle and comes with a resealable travel bag for on-the-go luxury sleep. - • **Total Darkness, Total Focus:** Blocks 100% of light—even in broad daylight—for uninterrupted rest and recovery. ## Overview The ALASKA BEAR Side Sleeper Sleep Mask features patented 100% blackout technology with breathable, CertiPUR-US certified memory foam and stretchy fabric. Designed for side sleepers, it offers a pressure-free, adjustable fit that accommodates all head sizes without irritating ears or skin. Its unique eye cup shape prevents eye contact, allowing full blinking even with false lashes. Machine washable and travel-friendly, this premium mask is a top-rated essential for deep, restorative sleep anytime, anywhere. ## Description Buy ALASKA BEAR Side Sleeper Sleep Mask, Patented, 100% Blackout, Pink | Cup-shaped Design, Zero Pressure, Ultra-soft fabric, Machine Washable, Ideal for Home & Travel on desertcart.com ✓ FREE SHIPPING on qualified orders ## Features - All the stitch seams are sewn sealed as opposed to cheaply glued - Made with ultra-soft, thin & breathable foam and bra-like stretchy fabric; Pressure-free on temples for super comfortable side sleeping - Easy-to-adjust without being too tight or bulky, snug fit on face contour with small women and large men - Innovative headband eye mask - New placement of the slider/strap to AVOID scratch your ears or irritate skin; Wide, gentle and flexible head band less prone to shift during the day or night - 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; NOTE: This style may not fit well if you're C-PAP mask users - Came with a resealable plastic bag for storage and travel. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B456HDYV | | ASIN | B0B456HDYV | | Age Range Description | Adult | | Best Sellers Rank | #9,703 in Health & Household ( See Top 100 in Health & Household ) #34 in Sleep Masks | | Brand Name | ALASKA BEAR | | Closure Type | Buckle | | Color | A2 Pink | | Customer Reviews | 4.6 4.6 out of 5 stars (14,152) | | Date First Available | June 15, 2022 | | Manufacturer | ALASKA BEAR | | Manufacturer | ALASKA BEAR | | Material Features | CertiPUR-US Certified Memory Foam | | Material Type | Made with ultra-soft, breathable memory foam and bra-like stretchy fabric | | Number of Items | 1 | | Other Special Features of the Product | Breathable, Complete Blackout | | Package Dimensions | 8.66 x 3.54 x 0.75 inches; 1.76 ounces | | Pattern | Solid | | Product Care Instructions | Washable on Delicate Cycle | | Size | 1 Count (Pack of 1) | | Unit Count | 1 Count | ## Product Details - **Age Range (Description):** Adult - **Brand:** ALASKA BEAR - **Color:** A2 Pink - **Material:** Made with ultra-soft, breathable memory foam and bra-like stretchy fabric - **Special Feature:** Breathable, Complete Blackout ## Images ![Side Sleeper Sleep Mask, Patented, 100% Blackout, Pink - Image 1](https://m.media-amazon.com/images/I/61P5BPUogCL.jpg) ## Available Options This product comes in different **Color** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/457383007-side-sleeper-sleep-mask-patented-100-blackout-pink](https://www.desertcart.jp/products/457383007-side-sleeper-sleep-mask-patented-100-blackout-pink) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-05*