[ Materials] Plastic shims are made of high quality PP plastic that can be stacked to suit your needs. The shims provide 30% more load support and pressure than wood shims. Perfect for professional and personal use, leveling, repairs and furniture renovation projects. [Never Rot Shims] These shims use materials that are waterproof and . Unlike wood shims, they not rot, warp, or crack under harsh or extreme outdoor conditions. Long service life. [Multi-purpose Wedges] Door shims can be used indoors and outdoors. Using heavy-duty shims for leveling, furniture, plumbing, appliances, cabinets, countertops, doors, , toilets, decks, fountains, gazebos, mailboxes. [Easy To Customize] T Compared with ordinary shim, our wedges do not need additional cutting or trimming, saving you time and energy. It can also level your furniture without compromising aesthetics. [20pcs Plastic Shims] You get 20 packs of composite shims. Whether you are a professional or just usually carry out some home improvement projects, you can break it according to your needs and place it where it needs to be leveled. Maintain the balance while reducing exposure and making your home more beautiful. Size:20x3.7cm Color: Black Material: plastic Package Contents: 20 * Hard Composite Shims Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.