10 Best Flexible Filament 2026 in the United States

The AMOLEN 3D Printer Filament Bundle offers a diverse range of colors (Black, White, Red, Blue) in flexible TPU material, which is known for its high elasticity and durability. This bundle is designed for use with most FDM 3D printers, making it versatile and beginner-friendly.

One of its significant strengths is the high-speed printing support, which saves you time while maintaining quality. The filament promises good shaping, strong toughness, no bubbles, minimal warping, and smooth feeding, which are essential for reliable 3D printing experiences.

Additionally, the reusable sealed vacuum bags help maintain the filament's quality by keeping it dry and dust-free, extending its lifespan. The transparent spools make it easy to see the filament colors, adding convenience. The 200gX4 spool size is an economical choice for trying out multiple colors without a significant investment. The 24/7 after-sale service is a positive aspect, ensuring customer support if any issues arise. This filament bundle is ideal for those looking to experiment with flexible materials in various colors while enjoying a user-friendly and cost-effective option.

The OVERTURE TPU High Speed 95A filament is designed for flexible 3D printing with a Shore hardness of 95A, making it fairly firm but still flexible enough for many uses where durability and some softness are needed. One of its main strengths is the ability to print up to five times faster than typical TPU filaments, which is great if you want quicker results without sacrificing quality. It also offers excellent layer adhesion, meaning your printed objects will stick together well between layers, resulting in smooth and strong prints.

The filament is made with a clog-free formula, reducing the chances of print jams, and comes vacuum-sealed with thorough drying to prevent moisture issues, though you should keep it sealed with desiccants after opening to maintain performance. It fits most FDM printers with a standard 1.75mm diameter and has good dimensional accuracy (+/- 0.02 mm), ensuring consistent extrusion. The product is versatile, available in multiple colors, and backed by a lifetime guarantee, which adds peace of mind.

The 95A Shore hardness means it is not as soft as lower Shore TPU filaments, so if you need very stretchy or rubbery prints, a softer option might be better. Additionally, the filament requires careful storage to avoid moisture problems, which can make handling more challenging for beginners. This filament is well suited for users seeking a balance between speed, durability, and moderate flexibility in their flexible filament projects.

The Siraya Tech Flex TPU Air is a flexible 3D printing filament designed for projects that need both comfort and durability, such as wearables, sports gear, and soft prototypes. One of its standout features is its adjustable hardness, which ranges from a Shore hardness of 65A to 82A by simply changing the printing temperature. Printing at lower temperatures produces tougher, more durable parts, while higher temperatures activate a foaming effect, making the printed items lighter and softer with up to 50% weight reduction.

This unique foaming technology also helps keep the filament easier to print compared to other flexible materials, as it maintains consistent density and good extrusion flow. The filament’s elasticity and tensile strength support flexible, soft parts that stretch well without breaking, which is critical for applications like grips or wristbands. Additionally, it has a soft, fabric-like feel, making it comfortable for items worn against the skin.

In terms of printing, it is compatible with most FDM printers and supports higher extrusion speeds, which helps speed up production. Achieving the perfect balance of hardness and softness requires careful temperature control, so some trial and error might be needed. While it generally adheres well to print beds, users should still ensure proper settings to avoid print failures common with flexible filaments. This filament suits hobbyists and professionals looking for a lightweight, flexible material with customizable properties, especially when comfort and wearability are important.