We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
£56.06
Pillowflex Synthetic Down Pillow Inserts for Pillow Cases 21" x 37"
White, 21x37SD
Price data checked 1 day ago
Price History & Forecast
Last 90 days • 90 data points
Price Distribution
Price distribution over 90 days • 3 price levels
Price Analysis
Most common price: £54 (71 days, 78.9%)
Price range: £54 - £56
Price levels: 3 different prices over 90 days
Description
Key Features
Perfect size: measure corner to corner of your cushion covers and pull them firmly to the outer edges. All cushion covers should be measured, regardless of the size listed. The inserts should be larger than the pillowcases for a full look. This 21" x 37" pillow is recommended for use in a 21" x 35", 20" x 36" or 21" x 37" sham.
ULTIMATE SOFTNESS AND VERSATILITY Enhance your sleeping experience with Pillowflex - the perfect solution for years of luxurious comfort. The over 60 sizes of pillow inserts fit any pillow cover - from accents, shams and lumbar pillows to travel and more.
ALLERGENIC FREE - These snuggle pillows are perfect for sofa or bed. We provide a cruelty-free, odorless, lint-free and dust-free comfort experience, perfect for the bed or sofa. They are also made without flame retardant so you can sleep better at night.
ULTRA SOFT - Our premium pillow inserts offer a luxurious look, with a smooth polyester fiber that feels soft. Heavy and fluffy texture like down, the covers are made from a high quality blend of polyester and cotton. Enhance your decor now!
MADE IN THE USA - Enjoy a restful sleep with one of our handmade Palmetto pillows. Made from sustainably sourced fibers and poly-cotton blend, they offer both comfort and durability. Support American manufacturing and buy a high-quality cushion insert now.
Product Specifications
- Brand
- Pillowflex
- Model
- 21x37SD
- Colour
- White
- Size
- 21 Inch By 37 Inch
- ASIN
- B00GDJLL0K
- Category
- Home & Garden > Home & Garden > Home & Kitchen > Home Textiles > Bedding > Sheets & Pillowcases
- Domain
- Amazon UK
- Release Date
- 02 November 2025
- Listed Since
- 06 June 2014
Barcode
No barcode data available
Similar Products You Might Like
Pillowflex Synthetic Down Pillow Inserts For Shams Aka Faux/Alternative 40cm x 50cm (16 Inch By 20 Inch)
Pillowflex
Nestl Cooling Pillow for Sleeping 2 Pack, Luxury Shredded Memory Foam Pillows Standard Size, Adjustable Cold Gel Pillows for Hot Sleepers Supportive Cool Pillow for Side Back Stomach Sleepers
Nestl
Pillowflex Synthetic Down Pillow Inserts For Shams Aka Faux/Alternative 68cm x 68cm (27 Inch By 27 Inch)
Pillowflex
Pillowflex Polyester Filled Machine Washable 50cm x 90cm 20 X 36 - Inch Pillow Form Insert
Pillowflex
Pillowflex Synthetic Down Pillow Inserts For Shams Aka Faux/Alternative 65cm x 65cm (26 Inch By 26 Inch)
Pillowflex
Globon Luxury Down Pillows King Size Set of 2, 100% Cotton Shell Hotel Collection Bed Pillows for Sleeping, Medium Firm Down Surrounded Feather Pillow 20" x 36"
Globon
Pillowflex Polyester Filled Machine Washable 50cm x 65cm 20 X 26 - Inch Pillow Form Insert
Pillowflex
DOWNLITE Down Extra Thin, Flat & Soft Pillow for Stomach Sleepers (Hypoallergenic) (Standard/Queen)
DOWNLITE
This is Sleep – The Pefect Pillow Pair - Medium Support - For Back and Side Sleepers - Anti-Dust Mite Technology - Cotton Cover - Hypoallergenic
The Fine Bedding Company
EVERGREENWEB - Pack of 2 Bed Pillows 45x45 cm, Machine Washable Pillows Orthopaedic Great for Cervical Pain with Super Soft Anti Dust Mite Bow Filling
EVERGREENWEB MATERASSI & BEDS
Brookstone 2-in-1 Comfort Memory Foam Pillow with Better Than Down Fill for Firm Yet Plush Feel | Innovative Hybrid Design Bed Pillow with Dual-Sided Cool & Warmth Comfort All Seasons | Soft Pillow
Brookstone
HARBOREST King Size Bed Pillows Set of 2 - Luxury Hotel Collection Down Alternative Pillows for Sleeping, 20 x 36 Inches
HARBOREST
Eono Neck Pillow Memory Foam, Travel Pillow for Neck, Comfortable Neck and Head Support Pillow for Plane Cars Trains Office, Soft Flight Travel Cushion for Sleeping
Eono
Eono Neck Pillow Memory Foam, Travel Pillow for Neck, Comfortable Neck and Head Support Pillow for Plane Cars Trains Office, Soft Flight Travel Cushion for Sleeping
Eono
Silentnight Comfort Control Electric Blanket - Heated Underblanket with 3 Heat Settings & Firm Support Pillow Pack of 2 - Side Sleeper Pillows for Sleeping Neck Back Orthopaedic Pain
Silentnight
Eono Memory Foam Neck Pillow - Ergonomic Travel Support for Flights
Eono
CnA Stores - Square Cushion Insert Inner Pads 18" x 18" Inch (45cm x 45cm) Cushion Stuffer – Made From Bounce Back Non- Allergenic 100% Pure Hollowfibre 1 Cushion
CnA Stores
Calvin Klein Wave Print 20" x 36" King Size Set of 2 Bed Pillows for Sleeping, White
Calvin Klein
Obruosci Luxury Set of 6 Throw Pillow Inserts, 18 x 18 Hypoallergenic Ultra Soft White Polyester Microfiber Durable Couch Cushion Fillers
Obruosci
Pillowflex Polyester Filled Machine Washable 55cm x 55cm 22 X 22 - Inch Pillow Form Insert
Pillowflex
Silentnight Comfort Control Washable Electric Blanket - 3 Heat Settings & Luxury Hotel Collection Box Support Pillow – Firm Hotel Quality Back and Side Sleeper
Silentnight
LUCID Premium Shredded Memory Foam Pillow - Standard Size - 2 Pack - Soft Cover - Adjustable & Breathable Memory Foam Fill - Hypoallergenic Down Alternative - CertiPUR Certified - Dorm Room Essentials
LUCID
Calvin Klein Wave Print 20" x 28" Standard/Queen Size Set of 2 Bed Pillows for Sleeping, White
Calvin Klein
FluffCo Down Alternative Pillow - Standard Firm Queen Bed Pillow for Side Sleepers, Cooling & Hotel Comfort
FluffCo