Unique Locking Clip: The sunshade plastic clip features a toothed interface and a spiral buckle design to hold the waterproof fabric in place to the greatest extent possible, so you don't have to worry about it falling off. Waterproof and Windproof: Once the tent is secured with waterproof clips, it is immediately fixed to the ground and can withstand strong winds and prevent water accumulation even in heavy rain. Its superior stability ensures that the tent remains stable even in strong winds! Easy to Use: Clamp the heavy-duty buckle with a waterproof cloth, grasp the edge of the tarp, press and tighten the clip to secure it, and finally tighten it with an elastic cord. Durable Material: The waterproof fabric clip is made of durable PP material, which is strong, tough, and sturdy. Wide Range of Applications: Adjustable heavy-duty locking grips are used for waterproof fabrics and sunshade fabrics. Due to their strong grip, these clips can be used for awnings, RVs, sails, poles, boat covers, and are suitable for outdoor camping, sailing, or picnics. Features: 1. The spiral design maximizes the clamping of the waterproof fabric and eliminates worries about shifting. 2. Excellent holding power, even in strong winds. The tent is stable (3). It is suitable for hooks, ropes, elastic cords, awnings, boat covers, tents, etc. for easy additional fastening. Specification Product Name: Adjustable Heavy Duty Locking Grip Material: Plastic Color: Black Dimensions: Approximately 8.5 x 2.8 x 2.6 cm / 3.1 x 1.1 x 1.0 inches Aperture: 1.2 cm / 0.5 inches Weight: 20 g/tablet Product Color: Black Package includes 20 waterproof fabric clips and heavy-duty locking handles Note: 1. Due to different display and lighting effects, the actual color of the product may differ slightly from the color shown in the picture. Thank you! 2. Please allow slight deviations in measurement as it is done manually.