【8 LARGE, 8 SMALL】 8pcs low furniture leveling shims are from 0.2cm/0.08in to 0.5cm/0.2in in height, and 8pcs high wedge shim are from 0.2cm/0.08in to 1cm/0.39in in height, both are 4.8cm/1.9in in length and 2.8cm/1.1in in width. Different heights are suitable for different furniture 【FLEXIBLE BUT STRONG】 High toughness, bendable, not easy to break, but very strong, overall transparent, our furniture wedge can withstand the weight of different furniture. After the desk is stuck by bed shims, the corners of the desk will not shake 【NON SLIP】Add gear lines to help increase friction with the ground and prevent slippage. Wedge levelers can effectively avoid furniture instability and shaking 【STACKABLE】Due to the non slip base and inclined design, when a wedge shim is not high enough, you can stack more toilet leveling shims to create a higher wedge. Please confirm the size before buying 【WIDE RANGE OF APPLICATION】 Furniture leveling wedges help stabilize and level uneven bookcases, tables, beds, windows, cabinets, sheds and mailboxes. At the same time, the door can be locked to prevent the door from hitting the wall or closing automatically