BBTO 50 pieces spring cord locks double holes toggle stoppers sliders oval cord end fastener, black Features: Sturdy and durable: Made of firm and sturdy plastic material, not easy to break and sturdy, you can use them for a long time. Oval shape toggle stoppers with spring loaded design, it will provide you with a firm grip, help to stop the cord or drawstrings from slipping. Wide usage: These cord fastener locks are for many uses, can be installed to hold shoelaces, backpack cords, hoodies drawstrings, tents, sportswear, drysuits boots and so on. Specifications: Cord lock size(LWH): 2.3 x 2 x 0.7 cm Hole diameter: approx. 5 mm Color: black Shape: oval Quantity: 50 pieces Package includes: 50 x Spring cord locks Note: Small parts, not suitable for children under 3 years old.