--- product_id: 732762017 title: "ERNIE BALL Ernie Ball Guitar Strap POLYPRO STRAP 4037 Polypro Strap Black" brand: "ernie ball" price: "¥3550" currency: JPY in_stock: true reviews_count: 8 category: "Ernie Ball" url: https://www.desertcart.jp/products/732762017-ernie-ball-ernie-ball-guitar-strap-polypro-strap-4037-polypro store_origin: JP region: Japan --- # Adjustable length 965-1700mm Smooth sliding adjuster Durable, stretch-resistant polypropylene ERNIE BALL Ernie Ball Guitar Strap POLYPRO STRAP 4037 Polypro Strap Black **Brand:** ernie ball **Price:** ¥3550 **Availability:** ✅ In Stock ## Summary > 🎸 Strap in, stand out — the classic that never quits! ## Quick Answers - **What is this?** ERNIE BALL Ernie Ball Guitar Strap POLYPRO STRAP 4037 Polypro Strap Black by ernie ball - **How much does it cost?** ¥3550 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/732762017-ernie-ball-ernie-ball-guitar-strap-polypro-strap-4037-polypro) ## Best For - ernie ball enthusiasts ## Why This Product - Trusted ernie ball brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Thousands:** A top-rated bestseller with over 27,000 reviews—join the community of pros who rely on Ernie Ball. - • **Seamless Style & Function:** Sleek black design pairs with any guitar and outfit, making you stage-ready instantly. - • **Built to Last, Built to Rock:** Crafted from flexible, stretch-resistant polypropylene for long-lasting durability. - • **Effortless Fit for Every Gig:** Smooth length adjustment from 965mm to 1700mm ensures your perfect playing comfort. - • **Lightweight Comfort All Night:** Weighing just 79g, it stays comfortable through marathon jam sessions and tours. ## Overview The Ernie Ball Polypro Strap 4037 is a professional-grade guitar strap featuring a flexible, stretch-resistant polypropylene build and a smooth Delrin sliding adjuster. Adjustable from 965mm to 1700mm in length and 50mm wide, it offers lightweight comfort and durability, making it a top choice among guitarists worldwide. ## Description Product Description The long-selling model of the Arnie Ball "Poly Pro Strap" is a favorite among many guitarists. Flexible, stretch-resistant and durable polypropylene. Length adjustment is also equipped with Delrin material slide adjuster for smooth operation. Note (Disclaimer): Please read the product listed as a reference price is the manufacturer assumed at the time of the product launch Legal Disclaimer The price listed as a reference is the manufacturer's estimated price at the time of product launch Review: シンプルで良いです！ - フェンダーのストラップは持ってるので今回はこちらのブランド名控えめのシンプルデザインのものを選びました。 ウクレレ用に購入しました！ 半分の長さにして使用してます。 安価な物なので素材はそれなりですが何も不満はなく購入して良かったです。 ナイロン部分は柔らかく先端は硬い革素材です。 ストラップピンの頭13ミリですがギリギリでした、なんとか装着出きたので良かったです。 Review: シンプルですが充分です - シンプルですが充分です。 ## Features - Ernie Ball's long-selling product loved by many guitarists - Flexible, stretch-resistant and durable polypropylene material - Length adjustment is smooth with the sliding adjuster - Length: 965 mm ~ 1,700 mm - Width: 50mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0002D0E92 | | Age Range Description | Teenagers and up | | Amazon Bestseller | #42 in Musical Instruments ( See Top 100 in Musical Instruments ) #1 in Guitar Straps | | Brand Name | Ernie Ball | | Color | Black | | Country of Publication | USA | | Customer Reviews | 4.3 out of 5 stars 27,941 Your Review | | Fastener Type | Buckle | | Garment Size Country | Japan | | Global Trade Identification Number | 00749699140375 | | Item Dimensions | 111.8 x 0.3 x 5.1 cm | | Item Type Name | Guitar Strap | | Item Weight | 79 g | | Manufacturer | ERNIE BALL | | Manufacturer Part Number | 4037 | | Manufacturer Warranty Description | Based on the rules of manufacturer's warranty | | Material Type | Polypropylene | | Pattern | Single Item | | Size | 長さ：965mm～1,700mm、幅：50mm | | Style Name | Single strap | | Style Number | P04037 | | UPC | 749699140375 | ## Images ![ERNIE BALL Ernie Ball Guitar Strap POLYPRO STRAP 4037 Polypro Strap Black - Image 1](https://m.media-amazon.com/images/I/71PfjkEQ9IL.jpg) ## Available Options This product comes in different **Pattern, Color, Style** options. ## Questions & Answers **Q: Would this work for a 7 year old child's 1/2 sized acoustic guitar?** A: Don't have any 1/2 sized, but I don't see why not. **Q: Hi, does it come with strings to tie to the guitar? Thank you.** A: Hello! These straps do not come with a tie string. Y2PLAY Stores - 800-695-4808 **Q: Is it good for 12 year old owns acoustic guitar?** A: Yes - this would be perfect for a 12-year-old. I actually bought it for a harpsicle, and I am a large man, but it extended to accommodate me and my instrument. Smaller would be no problem. This is a standard guitar strap - attractive and sturdy. **Q: Will this work on my tuba?** A: Yes it will work on a tuba no problem ## Customer Reviews ### ⭐⭐⭐⭐⭐ シンプルで良いです！ *by M***N on April 23, 2026* フェンダーのストラップは持ってるので今回はこちらのブランド名控えめのシンプルデザインのものを選びました。 ウクレレ用に購入しました！ 半分の長さにして使用してます。 安価な物なので素材はそれなりですが何も不満はなく購入して良かったです。 ナイロン部分は柔らかく先端は硬い革素材です。 ストラップピンの頭13ミリですがギリギリでした、なんとか装着出きたので良かったです。 ### ⭐⭐⭐⭐ シンプルですが充分です *by H***O on April 25, 2026* シンプルですが充分です。 ### ⭐⭐⭐⭐⭐ 私の定番です *by れ***ん on April 15, 2026* 私の定番ですね！安くて、丈夫、長さ調整が自由！ ## Frequently Bought Together - Ernie Ball Polypro Guitar Strap, Black (P04037) - Amazon Basics Adjustable Folding Guitar Stand, A-shape, Fully Assembled - For School Music Program, Concerts & Multiple Users, Black - New Bee 10 ft Guitar Cable - Electric Instrument Cable for Bass, Guitar, Mandolin, Pro Audio - Straight to Straight - Black --- ## 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/732762017-ernie-ball-ernie-ball-guitar-strap-polypro-strap-4037-polypro](https://www.desertcart.jp/products/732762017-ernie-ball-ernie-ball-guitar-strap-polypro-strap-4037-polypro) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-05-05*