STURDY AND DURABLEBowstring loop is made of premium nylon material, it performs rather sturdy, wearable and durable,has strong fracture toughness and wear resistance.Good for long time use. ADJUSTABLE D LOOP WIREYou can make your D loop by yourself, just adjust the size of the D loop according to your preference.Has the advantages of small volume, light weight and convenient carrying and use. HOW TO USEYou can fix the D loop on the string and move it along the string for height adjustment.Universal design, installation simple and easy to use.Legerity and portable,the quality is reliable and difficult to damage. GOOD PERFORMANCEThis product can stop arrow from falling off of the string and increase accuracy and consistency of arrow and makes it more suitable for longer periods of use.The loop is soft so that it can eliminate wear and tear of arrow pinching and bowstring. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.