TOPPROS Pack of 20 SFP Silicone Protectors Cap Port Cover Anti Dust 0.55 x 0.47 x 0.67 inch Black auspowers_batchthree Please refer to following instruction

Please refer to following instruction in connection of tubing

papers and so on

no headband pressure

we find the best material and parameter for the silicone key cover

TOPPROS Pack of 20 SFP Silicone Protectors Cap Port Cover Anti Dust 0.55 x 0.47 x 0.67 inch Black auspowers_batchthree Please refer to following instructionTOPPROS Pack of 20 SFP Silicone Protectors Cap Port Cover Anti Dust 0. 55 x 0. 47 x 0. 67 inch Black Description: Environment friendly silicon material. Protect the data port of your devices against the dust and rusting. Specification: Fit for : SFP Port Material : Silicone Color : Black Overall Size : 14 x 12 x 17 mm 0. 55 x 0. 47 x 0. 67 inches (LWH) Package Content: 20pcs x Silicone Anti dust Stopper Product Features Overall size : 14 x 12 x 17 mm