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Partial (diffuses sky light)



Blast resistance






Yes (64)



Data value

dec: 30 hex: 1E bin: 11110


See § Data values

Cobwebs are blocks that slow down movement.


Cobwebs can be obtained by clipping them with shears. One will also drop itself if broken with a sword enchanted with Silk Touch.[fn 1] A cobweb will drop one piece of string if broken with a non-Silk Touch sword or if water touches or flows over it or a piston pushes it. It will drop nothing when broken using anything else.

Block Cobweb
Hardness 4
Breaking time
Hand 20
Shears 0.4
Sword 0.4

Natural generation[edit]

Cobwebs generate naturally in stronghold libraries, igloo basements, abandoned mineshafts and woodland mansion secret rooms. Cobwebs also generate in zombie villages.‌[BELCE only][upcoming: JE 1.14]


Mobs can spawn inside of cobwebs, in which case they will not catch fire if they are caught in a cobweb. They also diffuse sky light.

Blocks can be placed on cobwebs. Paintings[Java Edition only] and signs can be placed on their sides, or on top in the case of signs.

Redstone circuits[edit]

2 cobwebs delay for around a minute

Cobwebs can be used as a delaying mechanism in a redstone circuit, for example to delay an item falling on a pressure plate or into a hopper.


All mobs that move through cobwebs will slow down, with the exceptions of spiders and cave spiders. Mobs falling through cobwebs will take 13 seconds to move down 1 block. They will partially stop blast damage if a player and the TNT/creeper/etc. are both caught in the cobweb. The slowing effect of the cobweb will increase if it is placed on ice.

A cobweb affects the player's movement abilities, as well. While in contact with it, the player will move at a speed of about 15% of the normal walking speed. Additionally, jumping will vibrate the player akin to jumping in a 2-block-high space‌[Java, and Legacy Console editions only]. A cobweb also limits the rate at which a player can break blocks. Like water, falling into a cobweb will prevent a player from taking fall damage, meaning a fatal fall can be mitigated with cobwebs. Attacking while falling through a cobweb counts as a critical hit, the same as when falling after a jump.

Items thrown into a cobweb are slowed and will fall through it after a maximum of about 24 seconds depending on where it enters. They will not merge with other items of the same type thrown on the ground.

Cobwebs have different effects on moving entities. A falling block that falls or is shot into a cobweb will slow down, then drop as an item after about 4 seconds.‌[Java Edition only] A shot arrow will pass through cobwebs without being slowed.

A minecart with no players in it takes about 9 seconds to fall through a cobweb if a rail is placed directly under the cobweb, however if there is air between the cobweb and the rail, the minecart takes about 34 seconds to fall. Every extra cobweb added will give an additional 25 seconds of falling time. Players are unaffected by cobwebs when in a minecart unless they come into direct contact.

Crafting ingredient[edit]

Name Ingredients Crafting recipe Description
String Cobweb [Bedrock, and Legacy Console editions only]

Data values[edit]


Java Edition:

Block Name ID
Cobweb cobweb

Bedrock Edition:

Block Name ID Numeric ID
Cobweb web 30



Java Edition Classic
October 23, 2009Notch originally planned for spiders to produce webs.
0.24_SURVIVAL_TEST Cobweb Revision 1.png Cobwebs were added to the terrain.png file, but were not implemented as an object in the game.
Java Edition Beta
1.5 Cobweb blocks were introduced, but did not occur in the world and could only be obtained with a third party mod or cheat.
Cobweb.png The texture was changed, having a string based texture instead of a white solid texture.
Cobwebs would suffocate the player like solid blocks if entered.
Cobwebs would only drop string when broken using a sword.
1.7 Cobwebs now drop string when broken using shears.
1.8 New structures were introduced that incorporated cobwebs: abandoned mineshafts, especially dense near their cave spider spawners, and strongholds, especially in the libraries.
Cobwebs no longer suffocate the player if entered.
Java Edition
1.2.1 12w06a Cobwebs now completely absorb all fall damage.
1.4.4 pre Cobwebs no longer slow down flying players in Creative.
1.4.6 12w49a Cobwebs can be now obtained in Survival with the Silk Touch enchantment on shears or a sword. In Survival mode, however, only shears can be enchanted with Silk Touch.
1.9 15w43b Cobwebs now can be found in igloo basements.
15w47c Silk Touch is no longer required to obtain cobweb when using shears.
15w49a Cobwebs now catch ender pearls, snowballs, eggs, bottles o' enchanting, and thrown potions as the corresponding dropped items.
15w49b Cobwebs no longer catch thrown projectiles as dropped items.
1.11 16w39a Cobwebs now generate in woodland mansions.
1.13 17w47a The ID has been changed from web to cobweb.
Prior to The Flattening, this block's numeral ID was 30.
Pocket Edition Alpha
0.5.0 Added cobwebs. Unobtainable without inventory editors.
0.8.0 build 6 Cobwebs were added to the Creative inventory.
0.9.0 build 1 Cobwebs now spawn naturally in abandoned mineshafts.
Added smooth lighting to cobwebs.
0.12.1 build 1 Cobwebs can be now obtained in Survival with the Silk Touch enchantment on shears.
Pocket Edition
1.0.0 alpha Cobwebs now can be found in igloo basements.
1.1.0 alpha Cobwebs now generate in woodland mansions.
alpha Cobweb can now be crafted into 9 string.
?Breaking cobweb no longer require shears with silk touch enchantment.
Legacy Console Edition
TU5CU11.0Patch 1Added webs.
TU57CU491.56Patch 27Patch 7Cobweb can now be crafted into 9 string.
TU691.76Patch 38Renamed to cobwebs.
New Nintendo 3DS Edition
0.1.0 Added Cobwebs.


Issues relating to "Cobweb" are maintained on the bug tracker. Report issues there.



  1. Swords can only be enchanted with Silk Touch using Creative mode or commands.