Bow Body: Overall stainless steel grinding and chamfering with exquisite workmanship. Bow Limbs: Double-layer bow limbs, quenched spring steel, small size, high tensile force, long range. Bow String: Special Dyneema professional material for compound bow, wear-resistant, durable, and tensile resistant. Arrows: Shaft is made of high-strength PC, stainless steel arrow points, nock is reinforced with nylon. Improve the reuse rate of arrows, making shooting less prone to damage and more durable.