Specifications:Greenhouse clips are made of durable plastic, with strong plastic structure and long service life.The greenhouse clamp is suitable for round tubes with a diameter of 11mm(0.43in).Greenhouse clips are green, which is suitable for your greenhouse plants, and will not appear too prominent.The greenhouse clamp is ideal for greenhouses, floor coverings, shelters, cold frames, row covers or seam frames, etc. Item Name: ClampMaterial: PlasticFeatures: Widely Used, Strong Compatibility, DurableSize: 3cm x 4cm x 2cm/1.18" x 1.57" x 0.79" (Approx.) Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:20 x Clamps