Compared to other similar products, these bedsheet clips can withstand the weight of heavy-duty bedsheet or mattresses without being deformed or fallen off easily owing to its high hardness, compression-resistance and anti-slip merits.Designed with needle-free, these bedsheet clips are safe to use without leaving any ugly traces on the quilt sheet or mattresses compared to other needle type quilt clips.It is made of plastic material.There are 2 different sizes for you to choose from.This product is perfectly suitable for home, household, dorm, bedroom, etc. S size is suitable for mattresses above 8cm, and L size is suitable for mattresses above 15.5cm.Item Name: Bed Sheet ClipMaterial: PlasticFeatures: Anti-deform, Long Lasting, ReusableSize Details: S: 10cm x 2.5cm x 9.5cm/3.94" x 0.98" x 3.74" (Approx.)L: 10cm x 2.5cm x 17.5cm/3.94" x 0.98" x 6.89" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:4 x Bed Sheet Clips